consoletype.1


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.TH CONSOLETYPE 1 "Red Hat, Inc" "RH" \" -*- nroff -*-
.SH NAME
.B consoletype
\- print type of the console connected to standard input
.SH SYNOPSIS
.B consoletype [\fIstdout\fR]
.SH DESCRIPTION
.B consoletype
prints the type of console connected to standard input. It prints
.I vt
if console is a virtual terminal (/dev/tty* or /dev/console device if not on
a serial console),
.I serial
if standard input is a serial console (/dev/console or /dev/ttyS*) and
.I pty
if standard input is a pseudo terminal.
.SH RETURN VALUE
.B consoletype
When passed no arguments returns
.TP
.I 0
if on virtual terminal
.TP
.I 1
if on serial console
.TP
.I 2
if on a pseudo terminal.
.TP
When passed the \fIstdout\fR argument, returns
.TP
.I 0
in all cases.