Shell
- cal - calendar
- bc - calculator
- time commands
- Separating commands
- Combining commands
- Bash functions
- Execute shell file
- Grouping commands
- Quotes
- Spell checking
- hostname
- date
- First day of the month
- exit and exit code
- locale
- Setting the prompt
- Secondary prompt
- set -o
- Start up files (Login shells)
- Start up file (Noninteractive shells too)
- Startup files
- logout script
- Exercise: Prompt