\section not not - Negate the exit status of a job \subsection not-synopsis Synopsis <tt>not COMMAND [OPTIONS...]</tt> \subsection not-description Description The \c not builtin is used to negate the exit status of another command. \subsection not-example Example The following code reports an error and exits if no file named spoon can be found. <pre> if not test -f spoon echo There is no spoon exit 1 end </pre>