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ls command
with the LS command, all subdirectories and file information will be listed for the directory, and the file name and other information requested will be exported.
command syntax:
ls [ options ] [ directory | File ]
The meanings of the options in the command are as shown in the table.
table ls command option meaning
Options |
Meaning |
-A |
Displays all subdirectories and files in the specified directory, including hidden files |
-A |
displays all subdirectories and files under the specified directory, including hidden files, but does not list "." and ".." |
-C |
mate -lt: Sort by CTime and show CTime |
-D |
If the parameter is a directory, only its name is displayed and the files and subdirectories below it are not displayed |
-F |
Show file types |
-I. |
Displays the Inode number of the file in the first column of the output |
-L |
To display the details of a file in a long format |
-R |
Preserve order when sorting |
-T |
Sort by modified time |
-S |
Display the size of each file allocation in blocks |
-S |
Sort by file size |
Example: Displays simple information about files and subdirectories in the directory/var.
[[Email protected]~]# Ls/var
Account Crash db Games lib lock mail opt run TMP YP
Cache CVS empty GDM local log NIS preserve spool www
Example: Displays details of all files and subdirectories in the/root directory, including hidden files.
[[Email protected]~]# ls-al/root
Total dosage 216
Dr-xr-x---. root root 4096 8 months 19 01:17.
dr-xr-xr-x.25 root root 4096 8 months 19 00:58..
-rw-r--r--. 2 root root 6 8 months 01:17 a
Drwxr-xr-x. 2 root root 4096 8 months 00:47. ABRT
-RW-------. 1 root root 1577 8 months 21:46 anaconda-ks.cfg
-rw-r--r--. 2 root root 6 8 months 01:17 b
-rw-r--r--. 1 root root 5 months . bash_logout
-rw-r--r--. 1 root root 176 5 months . bash_profile
-rw-r--r--. 1 root root 176 9 months 2004. BASHRC
Drwxr-xr-x. 3 root root 4096 8 months 00:47. Cache
DRWX------. 5 root root 4096 8 month 00:47. config
-rw-r--r--. 1 root root 9 months 2004. CSHRC
DRWX------. 3 root root 4096 8 months 00:47. Dbus
........................ ( omitted )
The file name is preceded by "." is the hidden file.
Example: Show file and subdirectory information in/etc directory, mark file type with tags.
[Email protected]~]# ls-f/etc
Example: Sort the files and subdirectories in the/root directory with the last access time of the file (last time in front) .
[Email protected] ~]# Ls-lt/root
Total dosage 100
Drwxr-xr-x. 2 root root 4096 8 months 00:47 public
Drwxr-xr-x. 2 root root 4096 8 months 00:47 template
Drwxr-xr-x. 2 root root 4096 8 month 00:47 video
Drwxr-xr-x. 2 root root 4096 8 months 00:47 's photos
Drwxr-xr-x. 2 root root 4096 8 months 00:47 documentation
Drwxr-xr-x. 2 root root 4096 8 months 00:47 Download
Drwxr-xr-x. 2 root root 4096 8 months 00:47 Music
Drwxr-xr-x. 2 root root 4096 8 months 00:47 Desktop
-RW-------. 1 root root 1577 8 months 21:46 anaconda-ks.cfg
-rw-r--r--. 1 root root 45641 8 months 21:46 install.log
-rw-r--r--. 1 root root 10033 8 months 21:41 install.log.syslog
Example: sort files and subdirectories in the/root directory at the size of the file.
[Email protected] ~]# Ls-sl/root
Total dosage 100
-rw-r--r--. 1 root root 45641 8 months 21:46 install.log
-rw-r--r--. 1 root root 10033 8 months 21:41 install.log.syslog
Drwxr-xr-x. 2 root root 4096 8 months 00:47 public
Drwxr-xr-x. 2 root root 4096 8 months 00:47 template
Drwxr-xr-x. 2 root root 4096 8 month 00:47 video
Drwxr-xr-x. 2 root root 4096 8 months 00:47 's photos
Drwxr-xr-x. 2 root root 4096 8 months 00:47 documentation
Drwxr-xr-x. 2 root root 4096 8 months 00:47 Download
Drwxr-xr-x. 2 root root 4096 8 months 00:47 Music
Drwxr-xr-x. 2 root root 4096 8 months 00:47 Desktop
-RW-------. 1 root root 1577 8 months 21:46 anaconda-ks.cfg
Example : View the inode for the/root/install.log file .
[Email protected]~]# ls-i/root/install.log
6029314/root/install.log
Example : View /root/install.log file disk usage.
[Email protected]~]# ls-s/root/install.log
52/root/install.log
file /root/install.log disk footprint is 52KB
This article is from the "airfish2000" blog, make sure to keep this source http://airfish2000.blog.51cto.com/10829608/1872276
ls Command--linux command application large dictionary 729 interpretation of commands