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.TH "NOT" "1" "May 15, 2026" "4.7" "fish-shell"
.SH NAME
not \- negate the exit status of a job
.SH SYNOPSIS
.nf
\fBnot\fP \fICOMMAND\fP [\fIOPTIONS\fP \&...]
\fB! \fP\fICOMMAND\fP [\fIOPTIONS\fP \&...]
.fi
.sp
.SH DESCRIPTION
.sp
\fBnot\fP negates the exit status of another command. If the exit status is zero, \fBnot\fP returns 1. Otherwise, \fBnot\fP returns 0.
.sp
Some other shells only support the \fB!\fP alias.
.sp
The \fB\-h\fP or \fB\-\-help\fP option displays help about using this command.
.SH EXAMPLE
.sp
The following code reports an error and exits if no file named spoon can be found.
.INDENT 0.0
.INDENT 3.5
.sp
.EX
if not test \-f spoon
    echo There is no spoon
    exit 1
end
.EE
.UNINDENT
.UNINDENT
.SH Copyright
fish-shell developers
.\" End of generated man page.