Topics

• Getting started with Bash
• Redirection
• Bash Arithmetic
• Debugging
• Internal variables

Examples

• Debugging a bash script with "-x"
• Checking the syntax of a script with "-n"
• Bash internal variables at a glance
• $BASHPID
• $BASH_ENV
• $BASH_VERSINFO
• $BASH_VERSION
• $EDITOR
• $FUNCNAME
• $HOME
• $HOSTNAME
• $HOSTTYPE
• $GROUPS
• $IFS
• $LINENO
• $MACHTYPE
• $OLDPWD
• $OSTYPE
• $PATH
• $PPID
• $PWD
• $SECONDS
• $SHELLOPTS
• $SHLVL
• $UID
• $1 $2 $3 etc...
• $#
• $*
• $!
• $_
• $?
• $$
• $@