Q4. Which command is used to change password expiration?

Answer:

chage

Production :

The chage command is used by Linux administrators to control password aging policies such as:

• Password expiry date

• Minimum/maximum password validity

• Account expiration

Commonly used in production environments to:

• Prevent service account lockouts

• Enforce security compliance for users

Interview One-Liner:

“chage is used to manage password expiration and aging policies in Linux.”