Disk usage

 

Disk usage

1. Synopsis: du command is used to check the information of disk usage of files and directories on a machine

du [OPTION]... [FILE]...

2. Disk usage of a directory: To find out the disk usage summary of a /home/ directory tree and each of its sub directories

du  /home/

3. Disk usage in human readable format: To find out the disk usage in human readable format

du  -h /home/

4. Total disk usage of a directory: To find out the total disk usage

du  -sh /home/

5. Total disk usage of all files and directories: To find out the total disk usage of files and directories

du  -ah /home/

6. Total disk usage of all files and directories upto certain depth: print the total for a directory only if it is N or fewer levels below the command

du  -ah --max-depth 2 /home/

7. Total disk usage with excluded files: To find out the total disk usage of files and directories, but excludes the files that matches given pattern.

du -ah --exclude="*.txt" /home/

8. Help: This command gives information about du

du  --help