true

Additional Notes

true is a shell command used to return a successful exit status. It always exits with a zero (success) status, useful as a no-op or for infinite loops.

true is specified by POSIX. It is commonly used in while true loops or as a placeholder command during script development.

Syntax

true [arguments]

Parameters

• options: Flags that change how true 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

true --help
man true

Practical Notes

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