Name
useradd
Synopsis
useradd [options
] [user
]
System administration command. Create new user accounts or update default account information. Unless invoked with the -D option, user must be given. useradd will create new entries in system files. Home directories and initial files may also be created as needed.
Options
- -b dir, --base-dir dir
Specify base dir for home directories. The default is /home.
- -c comment, --comment comment
Comment field.
- -d dir, --home dir
Home directory. The default is to use user as the directory name under the home directory specified with the -D option.
- -D [options]
Set or display defaults. If options are specified, set them. If no options are specified, display current defaults. The options are:
- -b dir, --base-dir dir
Home directory prefix to be used in creating home directories. If the -d option is not used when creating an account, the user name is appended to dir.
- -e date, --expiredate date
Expire date. Requires the use of shadow passwords.
- -f days, --inactive days
Number of days after a password expires to disable an account. Requires the use of shadow passwords.
- -g group, --gid group
Initial group name or ID number.
- -s shell, --shell shell
Default login shell.
- -e date, --expiredate date
Account expiration date. Use the format MM/DD/YYYY. Two-digit year fields are also accepted. The value is stored as the number of days since January 1, 1970. This option requires the use of shadow passwords.
- -f days, --inactive days
Permanently disable account this many days after the password ...
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