50 basic Commands

UNAME-M display machine's processing architecture

Hostname display the name of the system

Who displays information about users of the current login system

Ifconfig Viewing network cards

VI Edit

/etc/susconfig/network-scripts/ifcfg-(eth0 nic name) boot physical NIC vim + filename creation file

Cat + file name view file

More + file name view file contents,

Wq Save and Exit W save Q Exit q! Force exit

mkdir Creating a Directory

Mkdir-p Creating a directory recursively

Touch + space Plus file name create multiple files in one directory

MV + filename + directory name move the file to the directory

CD + space + filename or directory name + directory name switch directory CD/switch directory to root directory CD ~ Switch directory to the current user's personal host directory CD.   Switch directories to the current directory CD: Switch directories to the top level directory

CP copy CP copy file or folder to the specified directory (/) directory

Du view the total capacity (size) of a file or directory

LS view current or path directory and file-a display all files and directories including hidden files-r Displays the file in reverse order-D displays the specified directory information, without the (d) parameter displays the information under the specified directory-I displays the I node information in the specified directory-l will file name, File type permission size and other information detailed list-H lsattr Show hidden Archives

RM (-RF) filename Delete file

RmDir + directory Name Delete directory

Dare displays the current time and date

Echo (') back to county content

WC space-L plus file name to view the number of files or the number of content lines

Tail View file Countdown 10 column

TAC Reverse

PWD Display work path

Nead Show only the first 10 lines of the file

Nead Space plus parameter-(*) * represents required number of lines

grep + character + file name filter content

passwd Change Current user password + new password

Useradd Creating a user

Su + user name switch user

Userdel + user name Delete user

VI/ETC/PASSWD + user name lookup user

Groupadd + Group name creation Group

Groupdel + Group name Delete Group

Chwon modified file belongs to the main group plus the main plus group plus the file name

Vim + file name edit file

BC Calculator

Clear Clear Screen

Quit Quit Calculator

Iostat View disk status

Nginx Service installation package. Baidu Find Connection

wget (+ connection) download

Yum Install package

Tar xvf file name. tar.gz Unzip the tar. GZ formatted files

Unzip unzip the file at the end of the zip

DF View Disk Usage

Top View System Performance

Netstat display of various network-related information

Mount +/dev/sro/opt mount local files or disks

Umount +ope Delete Mount

Free to view memory usage

Chomod + (533) default permission attribute + file name. modify File Permissions

PS-AVX viewing the currently running process

Cal Displays the calendar's instructions

Kill plus process number end process

Logout Log off users

Retoot Restart User

Init 0 shutdown

Init 6 Restart

50 basic Commands