Information on Unix

• UNIX on ITlabs tutorial. A simple list of the Unix commands you will need for the class.
• If you want to work remoltely, i.e. from your home computer, here are instructions on how to do it:
  • Information on Working Remotely includes a listing of tools and instructions for different operating systems. It explains how you can work on the labs from home.
  • Detailed instructions on Working remotely from a Windows machine. This tells you what you need to do to work from your Windows machine at home. Please keep in mind that it is your own responsibility to set up your machine and the TAs will not help you.
  • Instructions on Working from Home with Scheme. [Might be out of date]
• The Unix script command. This is a useful command which allows you to save your terminal session into a file.
• On-line help is available for the ITLabs computers and other general topics.
  Look in particular at
  • Connecting from Offsite, for information on how to connect from your home computer and where to find software to allow you to connect using ssh.
  • Unix account configuration. Useful things to include in your .cshrc file are:

     
              # do not want any core files
              limit coredumpsize 0
    
              # additional modules 
              module load soft/xemacs
              module load soft/tcl/8.3.4
    
              # default printer
              setenv PRINTER cs4204
    
              # useful aliases - interactive mode is safer
              alias mv "mv -i"
              alias cp "cp -i"
              alias rm "rm -i"
            

• To avoid missing to real all you email, select where you want to read your UofM email (i.e. at umn.edu or at itlabs.umn.edu) and forward your email to a single place. To do this, create a file named .forward and include in the file a single line with the email address you want the email to be forwarded to. It is really simple, and you will avoid missing messages in the future.

Text Editor: emacs

• Emacs beginner's tutorial
• Setting up emacs to run scheme
• How to indent Scheme code in Emacs.
  Indenting Scheme code properly is very important to improve readability, If you make corrections to your programs and you want to reindent them in one step (as opposed to doing it line-by-line) here is what you should do:
  1. click mouse at beginning of first line to re-indent and drag to last line to re-indent, holding down mouse key
  2. on the keyboard type: <ESC> <Ctrl>-\ (an escape key followed by control-backslash)

Text Editor: vi

• A short tutorial on using vi
• another introduction to basic commands in the vi editor
• How to use vi with Scheme to balance parentheses and indent the code.