Common command of Linux learning ls

command format and directory processing command LS

command format : command [- options ] [ parameters ]

For example : ls-la/etc

Description :

1) Individual command use does not follow this format

2) when multiple options are available, they can be written together

3) Simplified and complete options

-A equals --all

PS: In Linux ". "represents a hidden file.

Directory processing command:ls
Command name :	Ls
Command English original :	List
Command path :	/bin/ls
Execute permissions :	All Users
Function Description :	displaying catalog files
Syntax :	LS option [-ald][ file or directory ]
	-A displays all files, including hidden files
	-L Detailed information display
	-D View Directory properties

#ls -A View the files in this directory ( contains hidden files )

#ls-L Show file Details

1 root root 1208 3 06:22 anaconda-ks.cfg

1 root root 24772 3 06:22 install.log

1 root root 7690 3 06:21 install.log.syslog

Root owner   Root belongs to group 7690 File size

The following Ls-lh is to turn the byte display of the file size into a familiar Windows

1.2K December  3 06:22 anaconda-ks.cfg-rw-r--r--. 1 root root  25K December  3 06:22 install.log-rw-r--r--. 1 roo T root 7.6K December  3 06:21 install.log.syslog

1.2K and 7690 represent a meaning, except that when using LS-LH, the file size becomes the familiar K, M, g representation rather than the byte representation.

-rw-r--r--

- file Type (- binary file D indicates directory l indicates soft link file )

rw-r--r--

U g o

U owner G - owned group o other person

Ps:r Read W write x Execute

[Email protected] ~]# ls-lhd/etcdrwxr-xr-x. 102 root root 12K December 06:36/etc

ls-lhd/etc is to view etc the size of the directory rather than the view ect all content under the directory.

[Email protected] ~]# ls-i795111 anaconda-ks.cfg  786436 install.log 786437  install.log.syslog

#ls-I. view each file's ID number

Common command of Linux learning ls