.Dd February 9, 2015
.Dt TAIL 1
.Os sbase
.Sh NAME
.Nm tail
.Nd display final lines of files
.Sh SYNOPSIS
.Nm
.Op Fl f
.Op Fl c Ar num | Fl n Ar num | Fl N
.Op Ar file ...
.Sh DESCRIPTION
.Nm
writes the last 10 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 c Ar num | Fl n Ar num | Fl N
Display final
.Ar num
characters | lines |
.Ar N
lines. If
.Ar num
begins with '+'
it is an offset from the beginning of each
.Ar file .
If
.Ar num
begins with '-' it is as if no sign was given.
.It Fl f
If one
.Ar file
is specified, append lines to output as
.Ar file
grows.
.El
.Sh SEE ALSO
.Xr head 1
.Sh STANDARDS
The
.Nm
utility is compliant with the
.St -p1003.1-2008
specification.
.Pp
The
.Op Fl N
flag is an extension to that specification.