wrote the man page

mkfifo.1

@@ -0,0 +1,38 @@
+.TH MKFIFO 1
+.SH NAME
+mkfifo - create named pipes
+.SH SYNOPSIS
+.B mkfifo
+[\fB\-m\fR \fImode\fR]
+.IR file ...
+.SH DESCRIPTION
+.B mkfifo
+creates named pipes (FIFOs) with the given \fIname\fRs. The creation mode can
+be specified with the mode argument either as an octal number or as a symbolic
+mode (e.g. ugo+rw). Note that the mode argument with be combined with the
+default process file mode creation mask as given by umask (i.e. if the mask
+is 022, an mode of 0777 will become 0755).
+.SH OPTIONS
+.TP
+.BR "\-m " \fImode\fR
+Set the file permission bits of the created pipe to the given mode value.
+For symbolic mode strings (e.g. ugo+rx), '+' and '-' are interpretted relative
+to an initial mode of \fIugo=rw\fR (0666).
+.SH EXAMPLES
+.nf
+.RS
+mkfifo -m 0774 pipe.in
+.RE
+.fi
+.PP
+Creates a named pipe with name \fBpipe.in\fR with mode \fI0774^$(umask)\fR.
+(I.E. if umask is 023, the mode of \fBpipe.in\fR will be 0754.)
+.SH AUTHOR
+Written by Kat.
+.SH COPYRIGHT
+Copyright (C) 2020 The FENIX Project
+.PP
+This software is free software. Feel free to modify it and/or pass
+it around.
+.PP
+This \fBmkfifo\fR implementation is a part of the fenutils package.