Shulou(Shulou.com)06/02 Report--

1. Basic introduction of Linux group

In Linux, each user must belong to a group and cannot be independent of the group. In Linux, each file has the concept of owner, group, and other groups.

1) owner

2) Group

3) other groups

4) change the user's group

II. File / directory owner

It is generally the creator of the file, and whoever creates the file will naturally become the owner of the file.

1. View the owner of the file

1) instruction: ls-ahl

2) Application example:

2. Modify the file owner

Directive: chown username file name

Application example

Request:

Third, the creation of groups

1. Basic commands

Groupadd group name

2. Application example

4. File / directory group

When a user creates a file, the default group of the file is the user's group.

1. View the group of files / directories

Basic instruction ls-ahl

2. Modify the group in which the file belongs

Basic directive chgrp group name file name

3. Application example

5. Other groups

Except for the owner and group of the file, the other users of the system are other groups of the file.

These are all the knowledge points of this introduction. Thank you for your study and support.

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.