Comandos de la terminal/passwd

[root@Llawyr ~]# passwd --help
Usage: passwd [OPTION...] <accountName>
  -k, --keep-tokens       keep non-expired authentication tokens
  -d, --delete            delete the password for the named account (root only)
  -l, --lock              lock the password for the named account (root only)
  -u, --unlock            unlock the password for the named account (root only)
  -e, --expire            expire the password for the named account (root only)
  -f, --force             force operation
  -x, --maximum=DAYS      maximum password lifetime (root only)
  -n, --minimum=DAYS      minimum password lifetime (root only)
  -w, --warning=DAYS      number of days warning users receives before
                          password expiration (root only)
  -i, --inactive=DAYS     number of days after password expiration when an
                          account becomes disabled (root only)
  -S, --status            report password status on the named account (root
                          only)
      --stdin             read new tokens from stdin (root only)

Help options:
  -?, --help              Show this help message
      --usage             Display brief usage message

[root@Llawyr ~]# passwd --usage
Usage: passwd [-kdluefS?] [-k|--keep-tokens] [-d|--delete] [-l|--lock]
        [-u|--unlock] [-e|--expire] [-f|--force] [-x|--maximum=DAYS]
        [-n|--minimum=DAYS] [-w|--warning=DAYS] [-i|--inactive=DAYS]
        [-S|--status] [--stdin] [-?|--help] [--usage]
        [OPTION...] <accountName>

[root@Llawyr ~]# rpm -qf $( which passwd )
passwd-0.79-2.mga4

[root@Llawyr ~]# passwd -S rrc
rrc PS 2014-09-21 0 99999 7 -1 (Password set, blowfish crypt.)

[root@Llawyr ~]# passwd -S rrc
rrc PS 2014-09-21 0 99999 7 -1 (Password set, blowfish crypt.)

[root@Llawyr ~]# useradd DelMe1
useradd: warning: the home directory already exists.
Not copying any file from skel directory into it.

[root@Llawyr ~]# passwd DelMe1
Changing password for user DelMe1.
New password: 
BAD PASSWORD: it is based on a dictionary word
Retype new password: 
passwd: all authentication tokens updated successfully.

[root@Llawyr ~]# passwd -S DelMe1
DelMe1 PS 2014-10-15 0 99999 7 -1 (Password set, blowfish crypt.)