To log in to a computer, we need a username. A user name is an identity that can be recognized by a computer. Based on this, the computer applies a series of rules to people who log on with this user name. Under the Linux system, we can use the ID
Linux is a multi-user and multi-task time-sharing operating system.
UserYou must first apply for an account from the system administrator and then enter the system as this account. The user's account helps the system administrator
UserTracking and
Groups viewing the members of the currently logged on user groupGroups Gliethttp View the group that the Gliethttp user is in, and the members in the groupWHOAMI View the currently logged in user name/etc/group file contains all groupsAll user names
Groups viewing the members of the currently logged on user groupGroups Gliethttp View the group that the Gliethttp user is in, and the members in the groupWHOAMI View the currently logged in user name/etc/group file contains all groupsAll user names
has started to contact Linux User Management, user group management, and Rights management These are a few of the full of keywords. These key words for the front-end program Ape I really is very tall on the wood there, before trying to learn Linux
Objective
Only a bald head can become stronger.
Review Front:
After reading this Linux basic operation will be
Did not think of the last one can be in the knowledge of the thousand praise Ah, Linux is also the final exam,
Linux Command user management commands, linux Command user management
Groupadd
[Function description]
Create user group
[Syntax format]
Groupadd [-f] [-r] [-g ] [group name]
[Option parameters]
Parameters
Description
-F
1, (think) the system why to have users1.1 Users?? The lowest-level security settings in the system, and reclaim (limit) rights.1.2 Groups?? Share rights. Divided into the following two kinds:?? (1) Additional groups: groups determined by the user
First, you must understand the directory structure of Linux. The directory structure of Linux is different from that of windows, and the directory of Linux cannot be seen in windows. In turn, Linux cannot directly see the directory under windows.
1. Linux operating system users and user groupsLinux operating system is multi-tasking (multi-tasks) multi-user (Multi-users) time-sharing operating system, the Linux operating system user is to let us log on to Linux permissions; whenever we log in
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