Linux Common commands

Basic command:

LS Displays files and directories in the current directory

Ls-l Listing File Details l-list

LS-A lists all files and directories in the current directory, including Hidden A-all

mkdir Creating a Directory

-P Create directory, if no parent directory, create p-parent for example, you want to create a git directory under the work directory in the current directory, but the current directory does not have a work directory, use mkdir work/git one step to create

CD Switch Directory

Touch creates an empty file

Echo creates a file with content

Cat View File Contents

CP Copy, copy

MV Move or rename

RM Delete File

-R Recursive Delete, can delete subdirectories and files

-F Force Delete

Find search files in file system

WC statistics Text line number, word count, number of characters

Grep finds a string in a text file

RmDir Delete Empty Directory

Tree structure display directory, need to install tree package

PWD Displays the full path of the current directory

LN creates a linked file

More, less pagination displays text file contents

Head, tail display file header, tail content

CTRL + ALT + F1 command line full screen mode

System administration Commands:

Stat Displays details of the specified file, more detailed than LS

Who shows online login users

WHOAMI Show current Operation user

Hostname Display host name

Uname Display System Information

Top dynamic display currently consumes the most resources process information

PS Display transient process status Ps-aux

Du view directory size Du-h/home with units display directory information

DF View disk size df-h with unit display disk information

Ifconfig Viewing network conditions

Ping Test network connectivity

Netstat Displaying network status information

Man view Command Manual (usage), e.g. man ls

Clear Clear Screen

Alias Rename the command, alias such as: Alias showmeit= "Ps-aux", in addition to de-use Unaliax Showmeit

Packaging Compression Related commands:

Tar: Packaging compression

-C Archive File

-X Compressed file

-Z gzip Compressed file

-j bzip2 Compressed Files

-V shows the compression or decompression process V (view)

-F Use file name

Cases:

TAR-CVF/HOME/ABC.TAR/HOME/ABC only packaged, not compressed

TAR-ZCVF/HOME/ABC.TAR.GZ/HOME/ABC packaged and compressed with gzip

TAR-JCVF/HOME/ABC.TAR.BZ2/HOME/ABC packaged and compressed with bzip2

Of course, if you want to decompress, just replace the above command TAR-CVF/TAR-ZCVF/TAR-JCVF "C" in the "X".

Shutdown/Restart machine:

Shutdown

-R shutdown Restart

-H shutdown does not restart

Now turn the machine off.

Halt shut down the machine

Reboot restart

　　

Linux Common commands