set

Additional Notes

set is a shell command used to show or set shell options and positional parameters. It enables or disables shell options and sets positional parameters, which is essential for script reliability.

Common usage is set -e (exit on error), set -u (error on undefined variables), and set -x (print commands before executing).

Syntax

set [arguments]

Parameters

• options: Flags that change how set behaves.
• arguments: Values consumed by the shell builtin or script command.
• command: Command line to run, test, wrap, or control.

Common Options

• --help: Show command help when supported.
• --version: Show version information when supported.

Examples

set --help
man set

Practical Notes

Options can vary by distribution and package version. Use man set, set --help, or the package documentation for exact syntax.