COMP 2400 Software Tools

Goals: Becoming familiar with bash 

• initialization files .bash_profile, .bashrc, .bash_aliases etc.
• to source one of these files
  $ . .bashrc
• modifying PATH variable
• customizing the prompt
• tricks to improve productivity
   -- cd - //to go back to the previous directory
   -- cntl+r //to recall from history
   -- cntl+w to erase one word
   -- cntl+u to erase the entire line

Other UNIX commands:

• $ find // to find files
• $ chmod a+x d2u //gives execute perm to all
• cat > filename //takes input from stdin, 
                 //cntl+d signals the end
• cat >> filename //appends to an existing file

Useful Links:

• vi quick reference quide
• Basic UNIX quide (~0.5MB)
• Advanced UNIX quide (~1MB)
• Bourne Shell quide

Online Tutorial:

• UNIX Tutorial for Beginners