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Common Directories

  • / - “Root”, the top of the file system hierarchy.
  • /bin - Binaries and other executable programs.
  • /etc - System configuration files.
  • /home - Home directories.
  • /opt - Optional or 3rd party software.
  • /tmp - Temporary space, typically cleared on reboot.
  • /usr - User related programs.
  • /var - Variable data, most notably log files.


  • enter move down one line
  • space move down one page
  • ‘g’ move to the top of the page
  • ‘G’ move to the bottom of the page
  • ‘q’ quit


$PATH

  • an environment variable
  • controls the command search path
  • contains a list of directories


Get Help

  • use either “–help” or “-h”
  • search man pages using “man -k search_term”


Filter & IO redirection command

To be continued folks…

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