shell scripting

How to write a shell script
 http://vertigo.hsrl.rutgers.edu/ug/shell_help.html
 
 Writing Shell Scripts
 http://gd.tuwien.ac.at/linuxcommand.org/wr...ll_scripts.html
 
 Unix Shell Scripts
 http://heather.cs.ucdavis.edu/~matloff/Uni...x/CShellII.html
 
 UNIX Shell Scripting
 http://users.sdsc.edu/~steube/Bshell/
 
 Bourne Shell Programming
 http://steve-parker.org/sh/sh.shtml