Graphical user interfaces are super friendly to computer users. They were introduced in reaction to the perceived steep learning curve of command-line interfaces (CLIs).
However, they often require more resources, are less powerful and hard to automate via scripting.
As a computer expert, we want to be more efficient and do our jobs better. We know that command words may not be easily discoverable or mnemonic, so we try to list some common tasks that you might tempt to do in GUI.
- copy a file
- duplicate a file
- copy a folder
- duplicate a folder
- move a file
- rename a file
- move a folder
- create a new file
- create a new folder
- show file/folder size
- open a file with the default program
- zip a folder
- unzip a folder
- remove a file
- remove a folder
- list folder contents
- tree view a folder and its subfolders
- find a stale file
- show a calendar
- find a future date
STOP DRAG AND DROP A FILE, OR CMD/CTRL + C, CMD/CTRL + V A FILE
Copy readme.txt
to the documents
folder
cp readme.txt documents
STOP RIGHT CLICK AND DUPLICATE A FILE
If readme.bak.txt
file doesn't exist
cp readme.txt readme.bak.txt
STOP DRAG AND DROP A FOLDER, OR CMD/CTRL + C, CMD/CTRL + V A FOLDER
Copy myMusic
folder under myMedia
folder
cp -a myMusic myMedia
STOP RIGHT CLICK AND DUPLICATE A FOLDER
If myMedia
folder doesn't exist
cp -a myMusic myMedia
STOP DRAG AND DROP A FILE, OR CTRL + X, CTRL + V A FILE
mv readme.txt documents/
Always use a trailing slash when moving files, for this reason.
STOP RIGHT CLICK AND RENAME A FILE
mv readme.txt README.md
STOP DRAG AND DROP A FOLDER, OR CTRL + X, CTRL + V A FOLDER
mv myMedia myMusic
STOP RIGHT CLICK AND CREATE A NEW FILE
touch 'new file'
or
> 'new file'
STOP RIGHT CLICK AND CREATE A NEW FOLDER
mkdir 'untitled folder'
or
mkdir -p 'path/may/not/exist/untitled folder'
STOP RIGHT CLICK AND SHOW FILE/FOLDER INFO
stat -x readme.md
or
du -sh readme.md
STOP DOUBLE CLICKING A FILE
open file # on macOS
xdg-open file # on Linux
STOP RIGHT CLICK AND COMPRESS FOLDER
zip -r archive_name.zip folder_to_compress
STOP RIGHT CLICK AND UNCOMPRESS FOLDER
unzip archive_name.zip
STOP RIGHT CLICK AND DELETE A FILE PERMANENTLY
rm my_useless_file
IMPORTANT: The rm command deletes my_useless_file permanently, which is equivalent to move my_useless_file to Recycle Bin and hit Empty Recycle Bin.
STOP RIGHT CLICK AND DELETE A FOLDER PERMANENTLY
rm -r my_useless_folder
STOP OPENING YOUR FINDER OR FILE EXPLORER
ls -la my_folder
STOP OPENING YOUR FINDER OR FILE EXPLORER
tree # on Linux
find . -print | sed -e 's;[^/]*/;|____;g;s;____|; |;g' # on macOS
STOP USING YOUR FILE EXPLORER TO FIND A FILE
Find all files modified more than 5 days ago
find my_folder -mtime +5
STOP LOOKING UP WHAT THIS MONTH LOOKS LIKE BY CALENDAR WIDGETS
Display a text calendar
cal
STOP USING WEBAPPS TO CALCULATE FUTURE DATES
What is todays date?
date +%m/%d/%Y
What about a week from now?
date -d "+7 days" # On Linux
date -j -v+7d # On MacOS
===
Remember, you can always google or man
the commands you are not familiar with.