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/etc/shadow file fields

user	:	$fnfffc$pGteyHdicpGOfffXX4ow#5	:	13064	:	0	:	99999	:	7	:		:
1		2		3		4		5		6		7		8

(Fig.01: /etc/shadow file fields)

1. User name : It is your login name
    
2. Password: It your encrypted password. The password should be minimum 6-8 characters long including special characters/digits
    
3. Last password change (lastchanged): Days since Jan 1, 1970 that password was last changed
    
4. Minimum: The minimum number of days required between password changes i.e. the number of days left before the user is allowed to change his/her password
    
5. Maximum: The maximum number of days the password is valid (after that user is forced to change his/her password)
    
6. Warn : The number of days before password is to expire that user is warned that his/her password must be changed
    
7. Inactive : The number of days after password expires that account is disabled
    
8. Expire : days since Jan 1, 1970 that account is disabled i.e. an absolute date specifying when the login may no longer be used