.Dd October 8, 2015
.Dt HEAD 1
.Os sbase
.Sh NAME
.Nm head
.Nd display initial lines of files
.Sh SYNOPSIS
.Nm
.Op Fl n Ar num | Fl Ns Ar num
.Op Ar file ...
.Sh DESCRIPTION
.Nm
writes
.Ar num
lines of each
.Ar file
to stdout.
If no
.Ar file
is given
.Nm
reads from stdin.
.Sh OPTIONS
.Bl -tag -width Ds
.It Fl n Ar num | Fl Ns Ar num
Display initial
.Ar num
|
.Sy N
lines.
Default is 10.
.El
.Sh SEE ALSO
.Xr tail 1
.Sh STANDARDS
POSIX.1-2013.
.Pp
The
.Op Fl Ns num
syntax is an extension to that specification.