List Files Using Linux commands

LsList segment is a frequently used command in Linux.

Command Format:Ls args dir

Args: Parameter;

Dir: Directory. If it is omitted, it indicates the current directory;

Common Parameters and descriptions are as follows::

-A [common] lists all files in a directory, including hidden files starting.

-C: the time when the I node of the output file is modified and sorted accordingly.

-I: index information of the I node of the output file.

-K indicates the file size in the form of k bytes.

-L [common] lists detailed information about objects.

-M horizontal output file name, with "," as a grid character.

-N is replaced by the UID and GID of the number.

-O displays the details of the file except the group information.

-F attaches a character to each file name to indicate the file type: "*": executable normal file; "/": Directory; "@": Symbolic Link; "|": FIFOs; "=": socket (sockets ).

-Q used? Replace non-printable characters.

-R sorts directories in reverse order.

-S outputs the file size after each file name.

-T is sorted by time and recently modified to the top.

-U is sorted by the time when the file was last accessed.

-X is output by column and sorted horizontally.

-R recursion outputs the content of all subdirectories.

-S [commonly used] is sorted by file size, where large files are located.

-X is sorted by file extension (the character after the last ).

-1 (number 1): one row outputs only one file.

 

-- Color: display the color file name (equivalent to -- color = auto ).

-- Color = no: Do not display color file names

-- Time-style custom display time format (commonly used '+ % Y/% m/% d % H: % M: % s' format)

-- Help displays help information on the standard output.

-- Version outputs the version information on the standard output and exits.

 

TIPS:

Edit the/etc/bashrc file and add the code: alias ls = "ls -- color"

Make the color display always exist. The color meaning is as follows:

Blue [Directory]; green [executable files]; red [compressed files]; light blue [linked files]; gray [other files];

 

Custom display time format

$> Ls-l -- time-style '+ % Y/% m/% d % H: % M: % s'

Total 0

-Rw-r -- 1 root 0 2008/08/01 12:23:06 file1

-Rw-r -- 1 root 0 2008/08/01 12:23:06 file2

 

The system that supports -- time-style can be set with the environment variable TIME_STYLE;

$> Export TIME_STYLE = '+ % Y/% m/% d % H: % M: % s'

To take effect permanently, append the above sentence to/etc/profile.