du command (Linux)

Note:

• du command hides hidden files.  A more convenient command is ‘ncdu‘
  • sudo apt-get install ncdu
  • Please refer to his link :
    • https://askubuntu.com/questions/356902/why-doesnt-this-show-the-hidden-files-folders

• To find whats contributing to the disk usage on a specific filesystem (/dev/sda2)
  • This can be tricky because there would be other filesystems mounted underneath /
  • I have found the package ‘xdiskusage‘ very useful for this.
  • This problem is discussed here

 

• If i need to look up directory sizes  only till 1 layer, then the following command is useful:
  • the ‘-s’ flag is useful to summarize the contents on directory

 

$ du -csh *
52K Desktop
4.0K Documents
4.0K Downloads
0 media
4.0K Music
353M notebooks
4.0K Pictures
4.0K Public
4.0K Templates
947M transferLearning
4.0K Videos
1.3G total

References:

https://www.cyberciti.biz/faq/checking-directory-size-in-linux-command/