Utilities

Command	Description
`echo [text]`	Print text
`sleep seconds`	Pause for N seconds
`yes [text]`	Repeat text (default: y)
`seq [first [inc]] last`	Print a sequence of numbers
`true`	Return success (exit code 0)
`false`	Return failure (exit code 1)
`time command`	Measure command execution time
`watch [-n s] command`	Repeat command every N seconds
`wget url`	Download a file from a URL
`history`	Show command history
`clear`	Clear the screen
`help`	Show help with all commands
`reset`	Reset the session state
`exit / quit`	Exit the shell