Bash Programming

• File has .sh file extension
• All bash scripts must start with the shebang: #!/bin/sh to run the bash shell
• scripts are ran like:
  • sh thefile.sh
  • ./thefile.sh if the sh file has chmod a+x permissions
• SYNTAX MATTERS

Concepts

• CLS
• Bash Printing
• Bash Comments
• Bash Variables
• Bash User Inputs
• Bash Conditionals
• Bash Arguments
• Shell Aliases

Useful Commands

• echo
• expr
• test