Added feature-gate to glossary (#38895)

* Added feature-gates into glossary * Update content/en/docs/reference/glossary/feature-gates.md Co-authored-by: divya-mohan0209 <[email protected]> * incorporated the suggestions for: glossary term feature gate * Incorporated review comments * Incorporated review comments * Update content/en/docs/reference/glossary/feature-gates.md Co-authored-by: divya-mohan0209 <[email protected]> Co-authored-by: divya-mohan0209 <[email protected]>
kubernetes · Jan 13, 2023 · 8d326ad · 8d326ad
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+---
+title: Feature gate
+id: feature-gate
+date: 2023-01-12
+full_link: /docs/reference/command-line-tools-reference/feature-gates/
+short_description: >
+  A way to control whether or not a particular Kubernetes feature is enabled.
+
+aka: 
+tags:
+- fundamental
+- operation
+---
+
+Feature gates are a set of keys (opaque string values) that you can use to control which
+Kubernetes features are enabled in your cluster.
+
+<!--more-->
+
+You can turn these features on or off using the `--feature-gates` command line flag on each Kubernetes component.
+Each Kubernetes component lets you enable or disable a set of feature gates that are relevant to that component.
+The Kubernetes documentation lists all current 
+[feature gates](/docs/reference/command-line-tools-reference/feature-gates/) and what they control.