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Introduction to UNIX

Compute Canada has put together some introductions to UNIX.

Odds and Ends

This is a collection of useful tools, commands, and random odds and ends.

ssh config


  • A useful terminal manager - especially on remote servers.
    • It allows you to continue to run scripts in interactive sessions on servers, even if you need to disconnect from the server (or get disconnected).
    • Useful for scripts that take a long time, or when you only have a few minutes to spare / want to check in on it later.
  • See User Manual
  • See also this Blog
  • Key commands to remember are:
    • Create a new screen with the name <name>: screen -S <name>
    • Detach from current screen: crtl+a d
    • Re-attach screen: screen -r <name> (can omit <name> if only one session exists)
    • List all currently running screen sessions: screen -ls
    • To end a screen session: exit from within the session

RSA Keys

Tired of typing in your password every time you log in somewhere? Use an RSA Key. It's also more secure.


Linux servers owned by the Fluids Lab