Shulou(Shulou.com)06/01 Report--

Editor to share with you what are the user and group commands in linux. I hope you will get something after reading this article. Let's discuss it together.

What is Linux system Linux is a free-to-use and free-spread UNIX-like operating system, is a POSIX-based multi-user, multi-task, multi-threaded and multi-CPU operating system, using Linux can run major Unix tools, applications and network protocols.

The details are as follows:

1. User-related commands

Su switching user

Root-> ordinary users do not need a password

Passwords are needed between ordinary users

Ordinary user-> root requires password

Newgrp switch group identity

Whoami to view current login name

Id views user information

Groups view user group information

Chfn sets user comments

Finger views user comments

2. Add users in batch

Create a lot of accounts in linux, and you can put the information into a text file and import it into the system.

1) Edit user files

2) Edit password file

3) newusers

4) pwunconv writes the password in / etc/shadow back to the / etc/passwd file

5) chpasswd writes the password file we wrote into / etc/passwd

6) pwconv writes the password in / etc/passwd back to shadow

3. Give special rights to ordinary users

Sudo an instruction

For example: sudo / sbin/shutdown-h 10

/ etc/sudoers

In this file, record which users can execute which commands

Visudo

This command is used to manage the / etc/sudoers file

* find the full path of the command whereis command

After reading this article, I believe you have a certain understanding of "what are the users and group commands in linux". If you want to know more about it, you are welcome to follow the industry information channel. Thank you for reading!

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.