Birmingham mumbai

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In the example that follows, we can see the output of this command from a sample 
user account:
Figure 2.11: Output from the chage command
In the output, we can see values for the date of expiration, the maximum number 
of days between password changes, and so on. Basically, it's the same information 
stored in 
/etc/shadow
 but it's much easier to read.
If you would like to change this information, 
chage
 will again be the tool of choice. 
The first example I'll provide is a very common one. When creating user accounts, 
you'll certainly want them to change their password when they first log in.
Unfortunately, not everyone will be keen on doing so. The 
chage
 command allows 
you to force a password change for a user when he or she first logs in. Basically, you 
can set their number of days to expiry to 
0
 as follows:
sudo chage -d 0
You can see the results of this command immediately if you run 
chage -l
 again 
against the user account you just modified:
sudo chage -l
The output will display information regarding the password change:
Figure 2.12: The chage command listing a user that has a required password change period set

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Chapter 2