====== Linux cheat sheet ======

  * Find the number of files in a folder <code>ls | wc -l</code>
  * Find the size of folders <code> du -h --max-depth=1 foldername</code>
  * Find and remove empty folders <code>find . -type d -empty -exec rmdir {} \;</code>
  * Kill a zombie process
    * To find the ppid of zombie process <code>ps -aux |grep -w Z
kill -9 ppid
</code>
    * if not working, kill the parent process <code>cat /proc/{pid of zombie}/status | grep -i ppid</code>

{{tag>linux}}

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