diff --git a/Byobu_CheatSheet.md b/Byobu_CheatSheet.md
index 6961076..f9a18d3 100644
--- a/Byobu_CheatSheet.md
+++ b/Byobu_CheatSheet.md
@@ -33,4 +33,12 @@ Byobu/Tmux:
 	#Kill split in focus
 		Ctrl + F6
 
-	 
+	#Join all splits
+		Shift + F5
+
+	#Kill the current window
+		Ctrl + A + K
+
+	#Move focus to next split
+		Shift + F3
+
diff --git a/Elasticsearch_CheatSheet.md b/Elasticsearch_CheatSheet.md
index 793575c..8c68ccd 100644
--- a/Elasticsearch_CheatSheet.md
+++ b/Elasticsearch_CheatSheet.md
@@ -59,3 +59,10 @@
 
         #Check pending tasks
                 curl -XGET http://localhost:9200/_cat/pending_tasks?v
+          
+        #Query using URL parameters
+                curl -X GET http://localhost:9200/samples/_search?q=school:Harvard
+                
+        #List index mapping
+                curl -X GET http://localhost:9200/samples
+
diff --git a/Flexbox_CheatSheet.md b/Flexbox_CheatSheet.md
new file mode 100644
index 0000000..dafae37
--- /dev/null
+++ b/Flexbox_CheatSheet.md
@@ -0,0 +1,67 @@
+
+
+	#Allow Flexbox display
+		display: flex;
+
+	#Align items horizontally
+		justify-content:
+			#Options include:
+				flex-start; - items align to left of container
+				flex-end; - items align to right of container
+				center; - items align at center of container
+				space-between; - equal spacing between items, with first at start and final at end
+				space-around; - equal spacing around items
+				space-evenly; - even spacing around items with a full space at either end
+
+	#Align items vertically
+		align-items:
+			#Options include:
+				flex-start; - items align to top of container
+				flex-end; - items align to bottom of container
+				center; - items align to vertical center of container
+				baseline; - items align to baseline of container
+				stretch; - items stretched to fit
+
+	#Change direction
+		flex-direction:
+			#Options include:
+				row; - items placed the same as text direction
+				row-reverse; - items placed opposite to text direction
+				column; - items are placed top to bottom
+				column-reverse: items are placed bottom to top
+
+	#Align specific item
+		align-self:
+			#Options include same values as 'align-items' but for a specific item
+			#Overrides 'align-items'
+
+	#Wrap items
+		flex-wrap:
+			#Options include:
+				nowrap: every items is fit to a single line
+				wrap: items wrap around to additional lines
+				wrap-reverse: items wrap around to additional lines in reverse
+
+	#Combination of direction and wrap
+		flex-flow:
+			#Options include:
+				row wrap; - sets rows and wraps them
+				row nowrap;
+				row reverse nowrap;
+				column reverse;
+				column wrap-reverse
+				column wrap
+
+	#Space multiple lines a certain way
+		align-content:
+			#Options include:
+				flex-start; - lines packed at top of container
+				flex-end; - lines packed at bottom of container
+				center; lines packed at vertical center of container
+				space-between: lines display with equal spacing between them
+				space-around: lines display with equal spacing around them
+				stretch: lines are stretched to fit the container
+
+	#Order items
+		order:
+			#Can be positive or negative. Default order value of 0.
diff --git a/Flutter_cheatsheet.md b/Flutter_cheatsheet.md
new file mode 100644
index 0000000..ca7c13f
--- /dev/null
+++ b/Flutter_cheatsheet.md
@@ -0,0 +1,112 @@
+# Flutter
+
+   CheatSheet
+
+      # confirm if your flutter SDK is set up correctly and compatible with other platforms, devices and IDE.
+         `flutter doctor` or `flutter doctor -v`
+
+
+      # create a new flutter project from terminal
+         `flutter create NAME_OF_APP`
+      
+
+      # create a new flutter project and replace the default package name flutter gives you com.example.myappname
+         `flutter create –org com.mywebsite NAME_OF_APP`
+
+
+      # set a specific language for the Android app and iOS; here we use Java for Android and objective-C for iOS
+         `flutter create --org=com.mywebsite --android-language=java --ios-language=objc NAME_OF_APP`
+
+
+      # mistakenly deleted a file, create it with its boilerplate codes. This will replace all missing files without creating everything from scratch
+         `flutter create --no-overwrite --org=com.mywebsite.NAME_OF_APP`
+
+
+      # list all devices connected and supported by the Flutter SDK
+         `flutter devices`
+
+      # get current device id
+         `flutter --device-id`
+
+
+      # flutter help
+         `flutter -h`
+
+
+      # run a flutter app
+         `flutter run`
+
+
+      # to see more outputs while app is trying to build in debug mode
+         `flutter run -v `
+
+
+      # after making stateless change(changing font size, color, widget size, shape, etc)
+         `Hot Reload (r): tap small r while app is running`
+
+
+      # after you make changes to class instances or things that will affect app’s current state
+         `Hot Restart(R): tap big R while app is running`
+
+
+      # take a screenshot from the terminal:
+         `tap small (s) when running the app in debug mode`
+
+
+      # lost connecting while debugging, connect your app back via
+         `flutter attach -d <target-platform-name` or simply `flutter attach`
+
+
+      # show all available options while your app is running in debug mode:
+         `press small (h)`
+
+
+      # list flutter channels.
+         `flutter channel`
+
+
+      # switch to a flutter channel
+         `flutter channel CHANNEL_NAME`
+
+
+      # upgrade your Flutter SDK with Dart
+         `flutter upgrade`
+
+
+      # get current flutter version
+         `flutter --version`
+
+
+      # list, launch or create emulators
+         `flutter emulators`
+
+
+      # generate localizations for the Flutter project
+         `flutter gen-l10n PATH_TO_TRANSLATION_FILE`
+
+
+      # format a dart file
+         `flutter format PATH_TO_DART_FILE`
+
+
+      # run your tests packages
+         `flutter test PATH_TO_TEST_FILE`
+
+      # add a third party package
+         `flutter pub add NAME_OF_PACKAGE`
+
+
+      #  download the third party package
+         `flutter pub get`
+      
+
+      # remove every temporary files & folders
+         `flutter clean`
+
+
+      # build the APK file
+         `flutter build apk`
+
+
+      #Tip: speed up Flutter Development
+         use the third packages to suit your needs. Google first.
diff --git a/Git_CheatSheet.md b/Git_CheatSheet.md
index e58755b..d131f27 100644
--- a/Git_CheatSheet.md
+++ b/Git_CheatSheet.md
@@ -178,3 +178,6 @@
     
 	#Stashing everything (including ignored files)
 		git stash --all
+	
+	#Push code from working branch to another branch 
+		git push origin branch1: branch2
diff --git a/InfluxDB_Cheatsheet b/InfluxDB_Cheatsheet
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/InfluxDB_Cheatsheet
@@ -0,0 +1 @@
+
diff --git a/JavaScript_CheatSheet.md b/JavaScript_CheatSheet.md
new file mode 100644
index 0000000..a0907a2
--- /dev/null
+++ b/JavaScript_CheatSheet.md
@@ -0,0 +1,126 @@
+JavaScript:
+
+    # Declare a variable using let or const.
+        let myVariable = 'hello';
+        const myConstant = 42;
+
+    # Log a message to the console.
+        console.log('Hello, world!');
+
+    # Alert a message to the user.
+        alert('Hello, user!');
+
+    # Prompt the user for input.
+        let userInput = prompt('What is your name?');
+
+    # Declare a function.
+        function myFunction(arg1, arg2) {
+            Function body goes here.
+        }
+
+    # Call a function.
+        myFunction(value1, value2);
+
+    # Declare an object.
+        let myObject = {
+            key1: 'value1',
+            key2: 'value2',
+            key3: 'value3',
+        };
+
+    # Access an object's property.
+        myObject.key1;
+
+    # Declare an array.
+        let myArray = [1, 2, 3, 4];
+
+    # Access an array's element.
+        myArray[0];
+
+    # Declare a for loop.
+        for (let i = 0; i < myArray.length; i++) {
+            Loop body goes here.
+        }
+
+    # Declare a while loop.
+        while (condition) {
+            Loop body goes here.
+        }
+
+    # Declare an if statement.
+        if (condition) {
+            Code to execute if condition is true.
+        }
+
+    # Declare an if-else statement.
+        if (condition) {
+            Code to execute if condition is true.
+        } else {
+            Code to execute if condition is false.
+        }
+
+    # Declare a switch statement.
+        switch (expression) {
+            case value1:
+                Code to execute if expression equals value1.
+                break;
+            case value2:
+                Code to execute if expression equals value2.
+                break;
+            default:
+                Code to execute if expression doesn't match any case.
+        }
+
+    # Declare a try-catch block.
+        try {
+            Code that might throw an error.
+        } catch (error) {
+            Code to handle the error.
+        }
+
+    # Declare a timeout function.
+        setTimeout(function() {
+            Code to execute after a delay.
+        }, delay);
+
+    # Declare an interval function.
+        setInterval(function() {
+            Code to execute repeatedly at an interval.
+        }, interval);
+
+    # Declare a callback function.
+        function myFunction(callback) {
+            Code to execute before the callback.
+            callback();
+            Code to execute after the callback.
+        }
+
+    # Declare a promise.
+        let myPromise = new Promise(function(resolve, reject) {
+            Code that might resolve or reject the promise.
+        });
+
+    # Use the then method of a promise.
+        myPromise.then(function(result) {
+            Code to execute if the promise resolves successfully.
+        }).catch(function(error) {
+            Code to execute if the promise is rejected.
+        });
+
+    # Declare a class.
+        class MyClass {
+            constructor(arg1, arg2) {
+                Constructor code goes here.
+            }
+            myMethod(arg1, arg2) {
+                Method body goes here.
+            }
+        }
+
+    # Declare a module.
+        export function myFunction(arg1, arg2) {
+            Code to export goes here.
+        }
+
+    # Import a module
+        import { myFunction } from './my-module.js';
diff --git a/K8s_CheatSheet.md b/K8s_CheatSheet.md
index 5c7c90d..aac87d3 100644
--- a/K8s_CheatSheet.md
+++ b/K8s_CheatSheet.md
@@ -1,3 +1,6 @@
+        #Get the documentation for pod manifests
+                kubectl explain pods
+                
         #Get total nodes in cluster
                 kubectl get nodes
                 
@@ -10,5 +13,27 @@
         #List contexts added in .kube config
                 kubectl config list-contexts
                 
+        #List the running Pods:
+                kubectl get pods
+                
         #Select the context to use
                 kubectl config use-context <context name>
+
+        #Get the password for the e2e user
+                kubectl config view -o jsonpath='{.users[?(@.name == "e2e")].user.password}'
+
+        #Get all pods in all namespaces and list from most resource hungry to less
+                kubectl top pod --all-namespaces | sort --reverse --key 3 --numeric | less
+                
+        #Describe specific pod in deployment that is in the selected namespace with a bit more detail
+                kubectl -n <namespace> describe deployments.apps <pod name>
+                
+        #Delete resources
+                kubectl delete
+
+        #Get a deployment's status subresource       
+                kubectl get deployment nginx-deployment --subresource=status
+
+        #List all services in the namespace       
+                kubectl get services                
+
diff --git a/Linux_CheatSheet.md b/Linux_CheatSheet.md
index 2582a5d..253c79a 100644
--- a/Linux_CheatSheet.md
+++ b/Linux_CheatSheet.md
@@ -39,6 +39,11 @@ Linux/Unix:
 
 	#Create a new directory
 		mkdir <directory name to be created>
+
+			#Options include
+				-p if directory exists and also make parent directories as necessary
+				-v verbose
+				-m provide mode for creating directory
 	
 	#Print the working directory
 		pwd
@@ -218,14 +223,28 @@ Linux/Unix:
 	#Install, build, remove and manage Debian packages
 		apt-get
 	
+	#Get current user id
+		id
+
 	#Creates a new user account
 		adduser
 	
 	#Creates a new group
 		groupadd 
 
-	#Adds a user to a group
+	#Modify a user to a group
 		usermod
+
+		#Options
+			-c, --comment = add comment to user
+			-g, --gid = Specify the primary group for the user account
+			-G, --groups = Specify a comma-separated list of supplementary groups for the user account
+			-a, --append = add the supplementary groups to the user's current set of group
+			-d, --home = Specify a particular home directory for the user account
+			-m, --move-home = Move the user's home directory to a new location. Must be used with the -d option
+			-s, --shell = Specify a particular login shell for the user account
+			-L, --lock = Lock the user account
+			-U, --unlock = Unlock the user account
 	
 	#Remove a user from a group
 		userdel
@@ -265,9 +284,6 @@ Linux/Unix:
 		
   	#Determine system boot-up performance statistics
 	   systemd-analyze
-     
-  	#Determine system boot-up performance statistics
-    		systemd-analyze
 
 	#Request system information / software version
 		uname -a
@@ -308,7 +324,7 @@ Linux/Unix:
 
 			#Query optimisation
 				-type = type of file
-				-name = matching with a filename	
+				-name = matching with a filename
 
 	#Look for a file with a giving name using query optimisation
 		find . -type f -name <filename>
@@ -353,11 +369,19 @@ Linux/Unix:
 
 	#Write the output to a new file
 		sort -o <current filename> <new filename>
-
-		
+	
   	#List Block Devices mounted on the system
 		lsblk
 
+	#Download files from the internet
+	        wget <option> <url>
+
+	#Open the calendar of the current month
+		cal
+
+	#Displays the file content in reverse order
+		tac <file name>  
+
 	#Displays screenful contents of a file at a time
 		more <file name> 
 
@@ -367,3 +391,30 @@ Linux/Unix:
 	#Replace old text with new text
 		sed '-s/myOldText/myNewText' theFileBeingEdited.txt
 
+	#Shows you the disk usage of the current directory you are in
+		du -h
+	
+	#Change hostname of the system
+		hostname <new hostname>
+	
+	#Kill process
+		kill <process id>
+		kill -l #List all the kill signals
+
+		Ex: kill -9 5123 #Sends kill signal to process 5123
+
+	#Add a user on Linux server
+		useradd  username  
+	
+	#List keyboard region inputs
+		localectl list-x11-keymap-layouts
+		
+	#Set keyboard input
+		localectl set-keymap <language region>
+	
+	#cut command that allow you to process and filter text files
+		cut <option> <filename>
+				
+				#option include
+				-f = used for specifying a field, a set of fields, or a range of fields.
+				-d = Specify a delimiter that will be used, for ex: "," or " " or "-" or any single character delimiter. Default is "tab".
diff --git a/MYSQL_Cheatsheet.md b/MYSQL_Cheatsheet.md
index a00bb20..da56464 100644
--- a/MYSQL_Cheatsheet.md
+++ b/MYSQL_Cheatsheet.md
@@ -82,3 +82,11 @@ MYSQL
 		
 	#Rename a table
 		RENAME TABLE table_name TO table_name;
+
+	#return the number of rows
+		SELECT COUNT(*) FROM TABLENAME
+
+	#Use of IN operator with WHERE clause
+		SELECT <field_list> FROM <table_name> WHERE <expression|column_1> IN (value1, value2, …)
+
+
diff --git a/NPM_CheatSheet.md b/NPM_CheatSheet.md
index 6ca9cbc..d099d88 100644
--- a/NPM_CheatSheet.md
+++ b/NPM_CheatSheet.md
@@ -47,5 +47,238 @@ NPM / Node Package Manager
         # Test & Show the full dependency tree 
                 npm install --dry-run
                 
+        # To show the NPM Version Command
+                npm version
+
+        # To manage the ownership of the published package
+                npm owner
+        
+        # NPM Build Command: It is used to build a package
+                npm build
+
+        # Manage package owners  
+                npm owner
+
+        # Start a script defined in package.json file eg. npm run client, npm run server
+                npm run <script name>
+
+        # Set access level on published packages 
+                npm access
+
+        # Add a registry user account
+                npm adduser
+
+        # Run a security audit
+                npm audit
+
+        # Display npm bin folder
+                npm bin
+
+        # Bugs for a package in a web browser
+                npm bugs
+
+        # Manipulates packages cache
+                npm cache
+
+        # Install a project with a clean slate
+                npm ci
+
+        # Tab completion for npm
+                npm completion
+
+        # Reduce duplication
+                npm dedupe
+
+        # Deprecate a version of a package
+                npm deprecate
+
+        # The registry diff command
+                npm diff
+
+        # Docs for a package in a web browser maybe
+                npm docs
+
+        # Modify package distribution tags
+                npm dist-tag
+
+        # Check your environments
+                npm doctor
+
+        # Run a command from an npm package
+                npm exec
+
+        # Explain installed packages
+                npm explain
+
+        # Browse an installed package
+                npm explore
+
+        # Find duplication in the package tree
+                npm find-dupes
+
+        # Retrieve funding information
+                npm fund
+
+        # Search npm help documentation
+                npm help
+
+        # Get help on npm via search
+                npm help-search
+
+        # Manage registry hooks
+                npm hook
+
+        # Create a package.json file
+                npm init
+
+        # Symlink a package folder
+                npm link
+
+        # Log out of the registry
+                npm logout
+
+        # Manage orgs
+                npm org
+
+        # Check for outdated packages
+                npm outdated
+
+        # Manage package owners
+                npm owner
+
+        # Ping npm registry
+                npm ping
+
+        # Manage your package.json
+                npm pkg
+
+        # Change settings on your registry profile
+                npm profile
+
+        # Remove extraneous packages
+                npm prune
+
+        # Publish a package
+                npm publish
+
+        # Retrieve a filtered list of packages
+                npm query
+
+        # Rebuild a package
+                npm rebuild
+
+        # Open package repository page in the browser
+                npm repo
+
+        # Restart a package
+                npm restart
+
+        # Display npm root folder
+                npm root
+
+        # Run arbitrary package scripts
+                npm run-script
+
+        # Lock down dependency versions for publication
+                npm shrinkwrap
+
+        # Mark your favorite packages
+                npm star
+
+        # View packages marked as favorites
+                npm stars
+
+        # Start a package
+                npm start
+
+        # Stop a package
+                npm stop
+
+        # Manage organization teams and team memberships
+                npm team
+
+        # Test a package
+                npm test
+
+        # Manage your authentication tokens
+                npm token
+
+        # Remove a package from the registry
+                npm unpublish
+
+        # Remove an item from your favorite packages
+                npm unstar
+
+        # Update a package
+                npm update
+
+        # View registry info
+                npm view
+
+        # Display npm username
+                npm whoami
+
+        # Run a command from an npm package
+                npx
+                
         # Show npm version
                 npm --version
+  
+        #Install a project with a clean slate and run tests
+                npm install-ci-test
+      
+        # Display prefix
+                npm prefix
+
+        # Check for outdated packages
+                npm outdated     
+
+        # Scan and list all the vulnerabilities in the project
+                npm audit
+
+        # Run this project's tests  
+                npm test
+                
+        # Run the script named <foo>
+                npm run <foo>
+                
+        # Search for help on <term> (in a browser)  
+                npm help <term>
+                
+        # Create or verify a user named <username>
+                npm login
+                         # Options 
+                                 --scope = Associate an operation with a scope for a scoped registry
+                                 --registry = The base URL of the npm registry
+                
+        # Log out of the registry
+                npm logout
+                          # Options 
+                                 --scope = Associate an operation with a scope for a scoped registry
+                                 --registry = The base URL of the npm registry  
+                                
+        # Publishes a package to the registry so that it can be installed by name.
+                npm publish <package-spec>
+                
+        # This removes a package version from the registry, deleting its entry and removing the tarball.    
+                npm unpublish [<package-spec>]
+                
+        # Print the folder where npm will install executables.
+                npm bin
+                
+        # This command will print to stdout all the versions of packages that are installed      
+                npm ls <package-spec>
+                
+        # Search the registry for packages matching the search terms
+                npm search [search terms ...]
+                
+        # Print the effective node_modules folder to standard out
+                npm root
+                
+        # Display the npm username of the currently logged-in user
+                npm whoami
+                
+        # This runs a predefined command specified in the "stop" property of a package's "scripts" object.
+                npm stop
+                
+
diff --git a/Powershell_CheatSheet.md b/Powershell_CheatSheet.md
index c4f44b8..56fcb69 100644
--- a/Powershell_CheatSheet.md
+++ b/Powershell_CheatSheet.md
@@ -2,6 +2,9 @@ Powershell:
 
 cmdlets:
 
+# This command allows you to get the IP address info of the network adapters intalled on the computer
+        Get-NetIPAddress
+
 # This command allows you to get support with PowerShell
         Get-Help 
 
@@ -144,4 +147,4 @@ Alias:
         Remove-Variable 
 
 # Suspends an activity for a specified period of time
-        Start-Sleep              
\ No newline at end of file
+        Start-Sleep              
diff --git a/Python_CheatSheet.md b/Python_CheatSheet.md
index e3c28a6..933441a 100644
--- a/Python_CheatSheet.md
+++ b/Python_CheatSheet.md
@@ -9,6 +9,9 @@
 	#Help page on modules or inbuilt functions.
 		help()
 			Tip: Enter module or function name in the parentheses
+			
+	#List installed python modules.
+		help('modules')
 
 	#Create virtual environment in current folder.
 		python -m venv ./venv
@@ -27,6 +30,9 @@
 
 	#Install modules whose names are listed in a file (requirements.txt)
 		pip3 install -r requirements.txt
+       
+	#Find out pip version
+		pip3 --version
 
 	#Sort a 2D list (lst) based on any one index (i is the index)
 		lst.sort(key = lambda x : x[i])
@@ -58,6 +64,9 @@
 	#Return a Boolean value.
 		bool()
 
+	#Ends a loop prematurely.
+		break
+
 	#Drops you into the debugger at the call site.
 		breakpoint()
 
@@ -81,6 +90,9 @@
 
 	#Return a complex number with the value real + imag*1j.
 		complex()
+	
+	#Continues the execution of the current loop.
+		continue
 
 	#Deletes the named attribute, provided the object allows it.
 		delattr()
@@ -210,8 +222,11 @@
 
 	#Return a sliced object representing a set of indices.
 		slice()	
+	
+	#Sorts a list in the same list sequence.
+		sort()
 
-	#Return a new sorted list from the items in iterable.
+	#Return a new sorted list sequence from the items in iterable.
 		sorted()
 
 	#Transform a method into a static method.
@@ -240,4 +255,33 @@
 
 	#This function is invoked by the import statement.
 		import()
+
+  	#Returns a sequence of numbers, starting from 0 by default, and increments by 1 (by default).
+		range()
+
+	#This string method splits a string into a list.
+		string.split(separator, maxsplit)
     
+	#This method adds an element at the end of the list.
+		list.append(element)
+
+	#This method removes the first item from list whose value is equal to the element.
+		list.remove(element)
+
+	#This method inserts an item at a given index/position
+		list.insert(index, x)
+
+	#Removes an item at the given postion in the list and returns it
+		list.pop([i])
+
+	#Clears the entire list
+		list.clear()
+
+	#Count the number of times x appears in the list
+		list.count(x)
+
+	#Reverses the elements of the list
+		list.reverse()
+
+	#Returns a shallow copy of a list
+		list.copy() 
\ No newline at end of file
diff --git a/SQL_CheatSheet.md b/SQL_CheatSheet.md
index 997b80a..1cc78ff 100644
--- a/SQL_CheatSheet.md
+++ b/SQL_CheatSheet.md
@@ -38,14 +38,32 @@ MariaDB:
 	#Enable foreign key checks
 	         SET FOREIGN_KEY_CHECKS=1
 		 
+	#Delete the table
+		DROP TABLE table_name
+	
+	#Delete a row
+		DELETE FROM table_name [WHERE condition];
+		 
+	#DELETE it is used to remove one or more row from a table
+	         DELETE FROM table_name [WHERE condition];
+
 	#Return the intersection of two queries
-	         SELECT c1,c2 FROM t1
-		 INTERSECT
-		 SELECT c1,c2 FROM t2;
+	         SELECT c1,c2 FROM t1 INTERSECT SELECT c1,c2 FROM t2;
 
 	#Drop a table
 		DROP TABLE [IF EXISTS] table_name;
-
 	
-    
-    
+	#Rename a table from t1 to t2
+	        ALTER TABLE t1 RENAME TO t2;
+		
+	#Drop a Dtabase 
+		DROP DATABASE [IF EXISTS] databasename;
+
+	#Delete all the rows from the table and free the space containing the table
+		TRUNCATE TABLE table_name;  
+
+	#Update Command
+		UPDATE table_name SET column_name = new_value [WHERE condition];
+
+	#Select the table
+		SELECT * FROM table1;
\ No newline at end of file
diff --git a/Tmux_CheatSheet.md b/Tmux_CheatSheet.md
new file mode 100644
index 0000000..d190416
--- /dev/null
+++ b/Tmux_CheatSheet.md
@@ -0,0 +1,97 @@
+    # Start a new session
+        $ tmux
+    
+    # Start a new session with the name mysession
+        $ tmux new -s mysession
+
+    # kill/delete session mysession
+        $ tmux kill-session -t mysession
+
+    # kill/delete all sessions but the current
+        $ tmux kill-session -a
+    
+    # kill/delete all sessions but mysession
+        $ tmux kill-session -a -t mysession
+
+    # Rename session
+        Ctrl+b $
+
+    # Detach from session
+        Ctrl+b d
+
+    # Detach others on the session (Maximize window by detach other clients)
+        : attach -d
+    
+    # Show all sessions
+        $ tmux ls
+    
+    # Attach to last session
+        $ tmux a
+        $ tmux attach
+        $ tmux attach-session
+    
+    # Attach to a session with the name mysession
+        $ tmux a -t mysession
+        $ tmux attach -t mysession
+        $ tmux attach-session -t mysession
+
+    # Session and Window Preview
+        Ctrl+b w
+
+    # Move to previous session
+        Ctrl+b (
+    
+    # Move to next Session
+        Ctrl+b )
+
+    # Create window
+        Ctrl+b c
+
+    # Rename current window
+        Ctrl+b ,
+    
+    # Close current window
+        Ctrl+b &
+    
+    # List windows
+        Ctrl+b w
+    
+    # Previous window
+        Ctrl+b p
+    
+    # Next window
+        Ctrl+b n
+    
+    # Switch/select window by number
+        Ctrl+b 0..9
+    
+    # Toggle last active window
+        Ctrl+b l
+    
+    # Reorder window, swap window number 2(src) and 1(dst)
+        : swap-window -s 2 -t 1
+    
+    # Move current window to the left by one position
+        : swap-window -t -1
+    
+    # Toggle last active pane
+        Ctrl+b ;
+    
+    # Split pane with horizontal layout
+        Ctrl+b %
+    
+    # Split pane with vertical layout
+        Ctrl+b "
+    
+    # Move the current pane left
+        Ctrl+b {
+    
+    # Move the current pane right
+        Ctrl+b }
+    
+    # Switch to pane to the direction
+        Ctrl+b ↑
+        Ctrl+b ←
+        Ctrl+b →
+        Ctrl+b ↓
+
diff --git a/VIM_CheatSheet.md b/VIM_CheatSheet.md
index 647fbb8..8f9041a 100644
--- a/VIM_CheatSheet.md
+++ b/VIM_CheatSheet.md
@@ -1,16 +1,38 @@
-
-	
-	#Insert mode
+	#Enter insert mode at current cursor position
 		i
-	
-	#Insert after cursor
-        	a
-	
-	#Create blank line below & insert
+
+	#Enter insert mode at the start of the current line
+		I
+
+	#Enter insert mode after cursor (Append)
+       		a
+
+	#Enter insert mode at the end of the current line
+        	A
+
+	#Create blank line below cursor & and enter insert mode
         	o
 
-	#Normal mode
-		esc key
+	#Create blank line above cursor & and enter insert mode
+        	O
+
+	#Exit any other mode and enter Normal mode
+		<esc> key
+
+    	#Search for text in buffer
+        	/<search-pattern>
+
+    	#Jump to the beginning of the line 
+		0
+
+    	#Jump to the end of the line 
+		$
+
+    	#Jump to next search match
+		n
+
+    	#Jump to previous search match
+		N
 
 	#Write changes
 		:w
@@ -18,36 +40,60 @@
 	#Quit without saving changes
 		:q!
 
+	#Quit all open buffers without saving changes
+		:qa!
+
 	#Write and quit
 		:wq
-
+   
 	#Enter visual mode to select characters
 		v
 
-	#Enter visual mode to select line
+	#Enter visual mode and select entire line
 		V
 
 	#Cut(Delete) selected text
 		d
 
+	#Delete next word selected text
+		dw
+
+	#Delete previous word selected text
+		db
+
 	#Cut current line
 		dd
 
-	#Copy(Yank) selected text
+	#Copy(Yank) highlighted text in visual mode
 		y
 
-	#Copy current line
+	#Copy beginning from the cursor position until the end of the line in Normal mode
 		y$
 
-	#Paste after cursor
+	#Paste the line below the cursor
 		p
 
-	#Paste before cursor
+	#Paste the line above the cursor
 		P
 
 	#Undo vim action
 		u
 
+    	#Jump to the first character of the next word in the line
+       		w
+
+    	#Jump to the last character of the next word in the line
+        	e
+
+    	#Jump to the previous word in the line
+        	b
+
+    	#Jump to the top of the buffer
+        	gg
+
+    	#Jump to the bottom of the buffer
+        	G
+
 	#Redo vim action
 		ctrl + r
 
@@ -65,6 +111,10 @@
         	:set number
         	:set nonumber
 
+	#Turn relative line numbers on/off
+        	:set relativenumber
+        	:set norelativenumber
+
 	#Open multiple files in new tabs (from bash prompt)
         	vim -p <file1> <file2> ...
 
@@ -82,4 +132,7 @@
 
 	#Search and replace all patterns found in file
 		:%s/<pattern match>/<replace with>/g
+
+	#Search and replace all patterns found in file with confirmation
+		:%s/<pattern match>/<replace with>/gci
 	
diff --git a/VSCode_CheatSheet.md b/VSCode_CheatSheet.md
index c8e5ef5..9e1fa3e 100644
--- a/VSCode_CheatSheet.md
+++ b/VSCode_CheatSheet.md
@@ -32,6 +32,8 @@ VsCode:
 
     #Go to Line
         Ctrl + G
+    #Go to previous error or warning
+        shift + F8
 
     #Switch tab in Current Navigation Group
         Ctrl + Tab
@@ -71,6 +73,9 @@ VsCode:
 
     #Insert cursor to the Line Below
         Shift + Alt + DOWN
+        
+    #Add Cursor to Multiple Lines Anywhere
+        Alt + Mouse Left Click
 
     #Hightlight Current Line
         Ctrl + I
@@ -98,4 +103,72 @@ VsCode:
 
     #Trigger Parameter Hint
         Ctrl + SHIFT + SPACE
+        
+    #Trim trailing whitespace
+        Ctrl + KCTRL + X
+        
+    #Show Extensions
+        Ctrl + SHIFT + X
+
+    #Replace
+        Ctrl + H
+
+    #Refactor...    
+        Ctrl + Shift + R
+
+    #Debug: Stop
+        shift + F5
+        
+    #To quickly search over all files in the currently opened folder
+        Ctrl + Shift + F
+
+    #Add multiple cursors
+        Ctrl + Alt + Up/Down
+
+    #Go to Definition
+        F12
+        
+    #Open new terminal
+        Ctrl + `
+
+    #Auto Fix...
+        Shift + Alt + .
+
+    #Go to File...
+        Ctrl+P
+        
+    #Show Command Palette
+        Ctrl + SHIFT + P
+
+    #Toggle line comment
+        Ctrl+/
+
+    #Select Current Line
+        Ctrl + L
+
+    #Select all occurences of Find match
+        Alt + Enter
+       
+    #Show Output panel   
+        Ctrl + SHIFT + U
+
+    #Format document
+        Shift+Alt+F 
+
+    #Toggle word wrap
+        Alt + Z
+
+    #Select all occurrences of current selection
+        Shift + Ctrl + L
+
+    #Show all Symbols
+        Ctrl+T 
+
+    #Jump to matching bracket
+        Ctrl + SHIFT + \
+        
+    #Navigate editor group history
+        Ctrl + SHIFT + Tab
 
+    #Replace in files
+        Ctrl+ SHIFT + H
diff --git a/Windows_CheatSheet.md b/Windows_CheatSheet.md
index eee380e..c236279 100644
--- a/Windows_CheatSheet.md
+++ b/Windows_CheatSheet.md
@@ -37,6 +37,21 @@ WINDOWS:
 	#List all content in current directory
 		ls
 
+	#To exit the terminal
+	        exit
+
+	#Displays the system time
+	        time
+
+	#Display the host name
+	        hostname
+		
+	#Displays the current date
+		date
+
+	#Display all current TCP/IP network configuration values and refresh Dynamic Host Configuration Protocol (DHCP) and Domain Name System (DNS) settings
+		ipconfig
+
 	#Deletes a folder
 		rmdir folderName
     
@@ -87,3 +102,5 @@ WINDOWS:
 	#To exit the command prompt window
 		exit
 	
+	#To Display or configure the active code page number
+	        chcp
diff --git a/aws_CheatSheet.md b/aws_CheatSheet.md
index 2a50f9d..572bceb 100644
--- a/aws_CheatSheet.md
+++ b/aws_CheatSheet.md
@@ -1,5 +1,3 @@
-
-
 	#Config
 		#Create profiles
 			aws configure --profile profilename
@@ -46,7 +44,12 @@
 	#EC2
 		#List Instance ID, Type and Name
 			aws ec2 describe-instances
-
+		#Create a key pair 
+			aws ec2 create-key-pair --key-name MyKeyPair --query 'KeyMaterial' --output text > MyKeyPair.pem
+				#Options include.
+				--key-name = Your key name
+				--query = A JMESPath query to use in filtering the response data
+				--output = The formatting style for command output. (json | text | table)
 	#IAM
 		#To create the IAM group
 			aws iam create-group --group-name
@@ -57,8 +60,36 @@
 				
 				#Create a bucket in specified region
 					aws s3 mb bucket_name --region region_name
+
+		#List all buckets in your account
+			aws s3 ls
+
+		#Sync objects under a specified bucket prefix to a local directory
+			aws sync <local_dir_path> <bucket_prefix>
+			
+		#Sync objects in a local directory to a specified bucket prefix
+			aws sync <bucket_prefix> <local_dir_path>
+
 	#Amazon SNS
 		#Get the list of subscribed sns
 			aws sns list-subscriptions
+		#Get the list of topics
+			aws sns list-topics
+		#Create a topic with the specified name
+			aws sns create-topic --name my-topic
+		#Subscribe to a topic
+			aws sns subscribe --topic-arn arn:aws:sns:us-west-2:123456789012:my-topic --protocol email --notification-endpoint saanvi@example.com
+				#Options include.
+				--topic-arn = The ARN of the topic you want to subscribe to
+				--protocol = The protocol that you want to use
+				--notification-endpoint = The endpoint that you want to receive notifications
+		#Publish to a topic and sends the message "Hello World!" to all subscribers of the specified topic
+			aws sns publish --topic-arn arn:aws:sns:us-west-2:123456789012:my-topic --message "Hello World!"
+		#Unsubscribe from a topic
+			aws sns unsubscribe --subscription-arn arn:aws:sns:us-west-2:123456789012:my-topic:1328f057-de93-4c15-512e-8bb22EXAMPLE
+		#Delete a topic
+			aws sns delete-topic --topic-arn arn:aws:sns:us-west-2:123456789012:my-topic
 		
-	
+	#Amazon AWS
+		#Create alias for frequently-used commands
+			$ whoami = sts get-caller-identity
diff --git a/mongodb_cheatsheet.md b/mongodb_cheatsheet.md
index bc1dc37..c059673 100644
--- a/mongodb_cheatsheet.md
+++ b/mongodb_cheatsheet.md
@@ -32,4 +32,40 @@
 
 	#To delete document
 		db.collection_name.remove(deletion_field)
-    
+
+	#To run a command against the current database, use
+	        db.runCommand( { <command> } )
+
+	#To view the db object methods
+		db.help()
+	
+	#To view the collectio object methods
+		db.collection_name.help()
+		
+	#To get collection document pretty format for easy to read
+		db.collection_name.find().pretty()
+	
+	#To set get collection document limit
+		db.collection_name.find().limit(10)
+		
+	#To skip document
+		db.collection_name.find().skip(10)
+	
+	#To get no of document inside collection
+		db.collection_name.find().count()
+
+	#Finding a Single Record
+		db. collectionname.findOne({"field1": "content"})
+
+	#To finding a Single Record:
+		db. collectionname.findOne({"field1": "content"})
+		
+	#To Show All Databases
+	  	show dbs
+	 
+  	#To display documents from collection (first 10)
+		db.collection_name.find()
+		
+	#Listing All Indexes	
+	        db.collection_name.getIndexes()
+