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User Accounts
As a Linux system administrator, you'll have to know how to manage
user accounts. User account management involves creating, modifying
and deleting user accounts, setting up and modifying users' system
privileges, the ever-popular chore of changing forgetful users' pass-
words, etc. User accounts (i.e., accounts used by human beings)
aren't the only accounts on your Linux system. The accounts with UIDs
(User IDentification) from 0 through a certain system-dependent number
(e.g., 99, 499) are reserved for the root user and for system pro-
cesses that run under their own UIDs (instead of running as root,
which is a security risk). You don't want to delete or modify these
accounts unless you know what you're doing.
11.. UUsseerr aaccccoouunnttss
Under user accounts, you'll see a list of accounts on your system that
you may need to modify. The account information displayed is as
follows:
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The username or login name.
NNaammee::
The full name of the account's user. This will show up in
several places, including the user's e-mail From: header.
UUIIDD::
The User ID number is the number that the system uses to
identify an account. The system doesn't really care about the
username; it identifies process and file ownership according to
UIDs.
GGrroouupp::
Every account is a member of at least one group. Some groups
are logical collections of users who need access to the same
types of files or programs. In the User Private Group (UPG)
scheme, used by Red Hat Linux and others, each user has his/her
own default private group. UPG is intended to make it easier to
manage group projects.
11..11.. AAddddiinngg aa nneeww uusseerr aaccccoouunntt
To add a new user account, select Add. Linuxconf will display a user
account creation screen, where you'll have to fill in information
about the new user.
11..22.. OOtthheerr ooppttiioonnss
To edit or delete an account, select the account you want to modify.
Linuxconf will display user information, where you can edit, delete or
change the password for the account.
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