I would like to know the command to change or add GECOS field of existing user.
when i tried to find the command i end up getting this which is only valid for new user account.
-c, --comment COMMENT set the GECOS field for the new user account
My system details.
# lsb_release -a
LSB Version: :core-3.1-ia32:core-3.1-noarch:graphics-3.1-ia32:graphics-3.1-noarch
Distributor ID: OracleVMserver
Description: Oracle VM server release 2.2.0