HomeDirectory Specifies the full path name of the user's home directory. If the user does not have a defined home directory, the home directory of the guest user is used. The value is a character string. Shell Specifies the initial program or shell that is executed after a user invokes the login command or su command. The value is a character string that may contain arguments to pass to the initial program.
Users can have additional attributes in other system files.
You should access the user database files through the system commands and subroutines defined for this purpose. Access through other commands or subroutines may not be supported in future releases. You can set the password with the passwd or pwdadm command. Use the chuser command to change all user attributes except Password . The chfn command and the chsh command change the Gecos attribute and Shell attribute, respectively.