Linux simple commands

Useradd Username adding users

Useradd-g GroupName Uername

passwd Zhaoyuanyuan Add a password to the added user, you can also reset the password

~ Wavy lines represent home directories

CD ~ Quick Home Catalogue

SU Username Switch directory

Su-username Switch directory (reload user's environment variable)

Userdel Username Delete a user

Userdel-r XW Delete the user's home directory when it is deleted

Groupadd name Add Group

Groupdel name Delete Group

PWD Displays the current path you are in

mkdir FileName Create folder

Mkdir-p/tmp/besttest/blk

RM-RF/Delete Folder

RmDir only empty folders can be deleted

Ls-l = = ll See what's Under the folder

MV Besttest Linux folder renaming

MV Besttest/tmp Move Folder replication

CP ax/tmp/Copying files

Cp-r linux/tmp/Copy Folder

CP-RF Linux

Cd.. #回到上一级目录

Cd.. /.. /#回到上两级目录

CD-Return to the previous directory

chmod o+x Other users

chmod g+x This group of users

chmod u+x Himself

chmod +rwx All

chmod a+x All

(Remove the permission, that is, to turn + into-)

R=4 w=2 X=1

chmod 755 File

chmod 755 File If you add the permission to a folder, add-R

Chown file User If it is a folder, add-R

CHGRP file group if it is a folder, add-R

Wc-l file Count rows

(| pipe break: Connect two commands, execute the result of the previous command to handle the following command)

&& connection two commands, successively executed

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Linux simple commands