Basic Shell Features
3.7 Executing Commands
Simple Command Expansion
: How Bash expands simple commands before executing them.
Command Search and Execution
: How Bash finds commands and runs them.
Command Execution Environment
: The environment in which Bash executes commands that are not shell builtins.
: The environment given to a command.
: The status returned by commands and how Bash interprets it.
: What happens when Bash or a command it runs receives a signal.