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(bashref.info)Executing Commands

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Executing Commands
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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.

Environment

The environment given to a command.

Exit Status

The status returned by commands and how Bash

interprets it.

Signals

What happens when Bash or a command it runs

receives a signal.