Utilities for running commands

• builtin - Run a shell builtin utility
• command - Run a simple command
• dot (.) - Run commands in current environment
• env - Set environment for command invocation
• eval - Construct command by concatenating arguments
• exec - Run commands and open, close, or copy descriptors
• exit - Exit from the shell
• help - Display information for built-in utility
• nohup - Run utility without hangups
• qsh - Qshell command language interpreter
• rexec - Run remote command
• rexx - Run REXX procedure
• sh - Qshell command language interpreter
• source - Run commands in the current environment
• system - Run CL command
• type - Find type of command
• whence - Determine how command is interpreted
• xargs - Construct argument lists and invoke utility