.Dd 2015-10-08 .Dt CAT 1 .Os sbase .Sh NAME .Nm cat .Nd concatenate files .Sh SYNOPSIS .Nm .Op Fl u .Op Ar file ... .Sh DESCRIPTION .Nm reads each .Ar file in sequence and writes it to stdout. If no .Ar file is given .Nm reads from stdin. .Sh OPTIONS .Bl -tag -width Ds .It Fl u Unbuffered output. .El .Sh STANDARDS The .Nm utility is compliant with the .St -p1003.1-2013 specification.