.Dd January 27, 2017
.Dt UNAME 1
.Os
.Sh NAME
.Nm uname
.Nd write system information
.Sh SYNOPSIS
.Nm
.Op Fl amnprstv
.Sh DESCRIPTION
.Nm
writes the system information specified by its options.
If no options were passed,
.Nm
writes the kernel name.
.Pp
The options are as follows:
.Bl -tag -width "12345678"
.It Fl a
Write all available information.
.It Fl m , \-machine
Write the system architecture.
.It Fl n , \-nodename
Write the network node name.
.It Fl p , \-processor
Write the processor architecture.
.It Fl r , \-kernel-release
Write the kernel release version.
.It Fl s , \-kernel-name
Write the kernel name.
.It Fl t , \-tagline
Write the release tagline.
.It Fl v , \-kernel-version
Write the kernel build date.
.El
.Sh EXIT STATUS
.Nm
will exit 0 on success and non-zero otherwise.
.Sh SEE ALSO
.Xr kernelinfo 1 ,
.Xr uname 2 ,
.Xr machine 5 ,
.Xr sortix-release 5