usermod command examples

– Using usermod we can change the user parameters.

– To modify the users comment

# usermod -c “test User”

– To change the users home directory

# usermod -d /home/test santosh

– To change the users expiry date

# usermod -e 2013-12-31 santosh

– To change the inactivity day number, before expiry

# usermod -f 2 santosh

– To change the primary group of the user

# usermod -g UNIX santosh

– To change/add the secondary groups to the user

# usermod -G Logicalis, IT santosh

– To change the name of the user

# usermod -l sandy santosh

– To lock the user password

# usermod -L santosh

– To unlock the user password

# usermod -U

– To change the shell of the user

# usermod -s /bin/csh santosh

– To change the users ID

# usermod -u 580 santosh