Command line navigation

  • ls cd pwd
  • command line flags, arguments
  • man
  • ~ . .. * ?
  • history !! !blah !123
  • nano

Filesystem

  • cat more less head tail
  • mkdir rmdir
  • cp rm mv
  • du -sh
  • redirection > >>
  • pipes |
  • grep wc sort

Environment

  • env
  • echo $PATH
  • which
  • module avail/load
  • .profile / .bashrc

Scripting

  • file permissions, ls -l, chmod +x
  • PATH, .profile/.bashrc
  • #!