Shell Command Collection

C
Cat Zdd Browse the contents of a ZDD file
Cat Zdd1 Zdd2 Browsing the contents of multiple files
Cat-n ZDD Browse the contents of a file Zdd and display line numbers

CD back to the start directory, that is, just logged into the system directory, CD behind no parameters
CD/back to the root directory
Cd.. Return to the top level directory

CD-Return to the most recently used directory

D
Df-kh Viewing disk information

Du-sh FolderName View the folder size,-H indicates the size of the display in human readable format,-s means the size of each file is accumulated.

H
History Show Command Chronicle
Hostname Displays the host name of the current login

L

Ls-al lists complete information for all files, one file per line

Ls-tl sort by last modified time

Ls-ul sort by last access time

Ls-r files and folders in the recursive reality subdirectory, this command can be easily implemented with grep, such as locating files in the current directory and subdirectories Zdd,ls-r | grep ZDD

Ls-f | grep/List Directory only

Less split screen displays the file, press the space down, and use the up and down arrows to look back and forth. Press the Q key to exit.

M

More split screen display file, press space down to view, do not support back to see, press the Q key to exit.
Man ls to view the help of LS command if help has multiple pages
Space PAGE Down
b PAGE Up
Q Exit Help

O

OD View the ASCII encoding of the file.

P
PWD Displays the current directory
PS Lists the current user's processes
PS-EF list all processes with full information

R
RM-RF zdd Delete the directory Zdd and its subdirectories, even if the directory is not empty
RM-RF zdd/* Delete all content under directory ZDD, but do not delete zdd itself
RM-RF * Delete all the files in the current directory, including the sub-file plus the file,-R for recursion,-F for forced deletion, do not ask.
RmDir zdd Delete Empty directory Zdd
mkdir zdd Creating a directory Zdd

S
Set View defined variables
SSH hostname Login to hostname

T
tar [option] File or dir
TAR-XVF Zdd.tar will Zdd.tar decompression, extract will generate Zdd folder, which contains the extracted files X means decompression, v means the output decompression information, f means the operation of ordinary files
TAR-CVF Tmp.tar TMP Packages the folder TMP into Tmp.tar
TAR-RVF Tmp.tar zzz Appends the file zzz to the Tmp.tar

Type XXX to view the path where xxx is located. What's the difference from Which?

Touch command
Touch [ACM]-T time file
This command is used to modify the file time, a-access times, m-modification c-do not the Create if file not exists
If you do not specify a time, the current system time is used, and if the file does not exist and the-C is not specified, a new file is created. You can use this method to quickly create a file. The format of time is as follows
[[Cc]yy] mmddhhmm[. SS]
Touch ABC if file ABC exists, then update its time to the current time, otherwise create it
Touch Abc-a-T
TOUCH-M-T 201101230621 ABC

W
Who see who has logged into the system

Who am I view my account information

Which LS to see the path where the LS program is located.

Z
Zip compression
Zip [options] Dest_files source
ZIP-R9 ~/zdd/home/zdd/* compresses all files under directory/home/zdd and puts them in the current directory named ZDD. -R represents a recursive processing of files in a folder, and 9 represents the maximum compression rate.

Unzip decompression
unzip-d ~/zdd Zdd.zip extracts the zdd.zip into the ZDD directory under the current directory, and-D indicates the directory to be unzipped.

Gzip Compression/Decompression
Gzip-d error_log.gz will error_log.gz decompression,-D for decompression, after decompression error_log.gz will no longer exist.


Other
Turn the page on the Terminal (Putty window can also)
Page UP Shift+pageup
Page DOWN Shift+pagedown

Shell Command Collection