.\"-
.\"  Copyright (c) 2023 Piotr Paweł Stefaniak
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.Dd April 2026
.Dt NPROC 1
.Os
.Sh NAME
.Nm nproc
.Nd print the number of processors
.Sh SYNOPSIS
.Nm
.Op Fl a
.Op Fl i Ar #
.Sh DESCRIPTION
The
.Nm
utility is used to print the number of processors available to the
current process, unless the
.Fl a
flag is specified.
.Pp
The available flags are:
.Bl -tag -width ".Fl i Ar #"
.It Fl a
Count all processors available on the system.
.It Fl i Ar #
The result is decreased by
.Ar # ,
but never below 1.
.El
.Sh COMPATIBILITY
This program is
.Sy NOT
compatible with nproc as found in GNU coreutils.
.Sh SEE ALSO
.Xr cpuset 1
.Sh AUTHORS
.An -nosplit
.An Mateusz Guzik Aq Mt mjg@FreeBSD.org
wrote the original program for FreeBSD and
.An Piotr Paweł Stefaniak Aq Mt pstef@FreeBSD.org
wrote the original of this page.