The administrator wanted to verify the password expiration of user "Ahmed." Write appropriate commands for the following: ● Write a command that is used to expire user Ahmed's password after 45 days. ● Write a command that starts sending warnings to user Ahmed 15 days before his password expires. ● Write a command that is used to set a minimum of 5 days between password changes for User Ahmed. ● Write a command that is used to display user Ahmed's current password policy

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Linux

An operating system (OS) is the software which manages hardware and resources, like CPU, storage and memory. The OS bridges the applications and hardware and makes the connections between all of your software and the hardware resources.