Introduction

• main topics:
  • what is shell, different shells,
  • bourne shell, c-shell,
  • path, environment variables,
  • other useful commands.

• Useful links:

  A good reference to UNIX providing basic facts from history, introduction to its structure, shells and commands is at
  http://wks.uts.ohio-state.edu/unix_course/
  

  Other pages discussing different shells are:

  • shell in general, bourne shell:
    http://www.cc.vt.edu/cc/us/docs/unix/shells.html
    http://www.ling.helsinki.fi/users/reriksso/unix/shell.html
    
  • korn shell
    http://www.kornshell.com/info/
  • why not cshell:
    http://www.cs.ruu.nl/wais/html/na-dir/unix-faq/shell/csh-whynot.html