A little exercise on displaying dates and changing passwords in a Linux environment

1. Show 1984-11-18 is the first day of 1984

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2. Display the current date

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# #上面是两种不同的表现形式 # #

3. Modify the password of the student user under Superuser, and student the user to force the password change after the first login

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# # passwd - e # force Change Password

# #注意: When you use the root user to modify other user passwords, add the user name after passwd

4. Modify the password of the student user under student

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# #注意: When the user modifies their own password, passwd does not follow the user name

A little exercise on displaying dates and changing passwords in a Linux environment