Shell (10) commonly used command. Doc

Ls

-L, show the hard link count;

-I, show I-node

-H, human readable

-T, sort by modify time

-S, sort by size

-R, -- reverse

-R, show content of sub-Dir

-V, sort by version

 

CP

-P,
Retain source file attributes, such as the modification time

-L, create hard link

-S, create soft link

-R, copy dir

-R,
Recursively copy a file

 

Stat

Show more info of a file

 

Mount

Null parameter, show all mounted file
Systems

Mount-T Type Device directory

-A, mount add file systems according
/Etc/fstab

 

"Mount
-T iso9660-o loop ABC. iso mnt ", Mount ISO file

 

Simple usage
:

FAT32
Partition

Mount-O codePage = 936, iocharset = cp936
/Dev/hda7/mnt/CDROM (Mount-T vfat-O iocharset = cp936/dev/hda7/mnt/CDROM)

NTFS
Partition

Mount-O iocharset = cp936/dev/hda7
/Mnt/CDROM

ISO
File

Mount-o loop/ABC. ISO/mnt/CDROM

Floppy Disk

Mount/dev/fd0/mnt/floppy

USB
Flash Memory

Mount/dev/sda1/mnt/CDROM

Description
:/Mnt/CDROM
The directory must exist.

All
/Etc/fstab
Content
Mount-

 

File format can be specified
"-T

Format
",
The format can be
Vfat, ext2, ext3
And so on
.

 

Start
Mount
Upper
Windows
Partition

Automatically
Windows
Of
D
Disk mounted
/Mnt/d
.
VI
Open
/Etc/fstab
, Add the following line

/Dev/hda5/mnt/d vfat
Defaults, codePage = 936, iocharset = cp936 0 0

Note: you must first create
/Mnt/d
Directory

Mount
Others on LAN
Windows
Directory shared by the machine
(Bjchenxu)

Mount-T smbfs-o
Username = guest, password = guest // machine/path/mnt/CDROM

 

DU/DF

-H, human readable

-C, show count info of all file listed

-S, show statistic info only

Du-SH

 

Sort

Sort by characters by default

-N
To recognize numbers as numbers for sorting.

-M, sort by month

-R, -- reverse

-B, -- ignore-leading-Blanks

You can also specify the fields used for sorting and merge the sorting results;

 

Grep

-V,
Not included
Xxx

-N, show line number

-C, get count of marched lines

-E,
Specify multiple modes
, Eg: grep-e er]-e wa] ABC. Log
Equal to or greater
Grep [EW] [Ra] ABC. Log

 

Gzip

Gzip

Gzcat
To display the content of the compressed text file.

Gunzip

 

Tar

Tar function [Options] object1 object2...

Tar-xzvf ABC. tgz

Function:

-C, create a new tar file

-R, append to the TAR file end

-T, list files in tarball

-U, update files in tarball

-X, unzip tar file

Options

-P,
Retain file permissions

-V, list files when proceeding

-Z, redirect output to Gzip

-F, set the Dest File

 

Tee

Add
Stdin
Data is sent
Stdout
And files

Eg:

Date
| Tee a.txt

 

Eval

Execute all
Shell
Run the command after replacement

Eg:

# Set
A B c d

# Eval
Echo the last argument is/$ #
#

Direct use
Echo

The output is
$4

,
Echo

Only one replacement is executed.

 

Eg2:

When the command line is complex, use
Eval

# A = "ID
| Cut-F1-d ''"

# $
#

Error,
| Cut-F

And so on.
ID

Parameters,

# Eval
$
#

Successful,
Bash

Will explain first
$

Is interpreted as the above string,
Eval

The string will be processed again, that is, it will be executed as a command

 

Sort file (s)

Sort

 

WC file (s)

Number of rows, words, and characters

 

Uniq File

Delete duplicate rows

 

Grep

Grep [Options] Pattern

-I
Case
Insensitive

-V

Search for unmatched rows

-N
Print
Line number

-R

-C

Number of matched rows

-H

-L

Only output matching file names

 

Use a regular expression, as shown in figure
:

Grep
A $ a.txt

Find

Find [path] [expression]

Expression:

-Name Pattern

-INAME, case-insensitive

-Print

Alias

Alias li = 'LS-il'
# Create an alias, avialable in the local
Shell

Set aliases in ~ /. Bashrc