BUILTIN

Run a shell builtin, passing it args, and return its exit status.

SYNTAX
builtin [shell-builtin [args]]This is useful when defining a shell function with the same name as a shell builtin, retaining the functionality of the builtin within the function.

For example, to write a function to replace &qt;cd&qt;&qt;
that writes the hostname and current directory
to an xterm title bar:

cd()

{

builtin cd "$@" && xtitle "$HOST: $PWD"

}

The return status is non-zero if shell-builtin is not a shell builtin command.

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