Changing Defaults
Useradd has certain defaults that may be either displayed or modified by invoking the command with the -D option. (Display only if no other options are provided; otherwise, the options are set as specified.)
| -b default_home | Specify an initial path for new home directories. |
|---|---|
| -e default_expire_date | Specify a new account expiration date. |
| -f default_inactive | Specify the number of days to wait after a password expired before cancelling an account. |
| -g default_group | Specify a default group for new users. |
| -s default_shell | Specify a new user's default login shell. |
userdel
[-r] login
Delete the specified login account. All entries pertaining to the specified user are deleted from system account files.
Example: To remove the user postalguy ...
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