39 lines
962 B
Groff
39 lines
962 B
Groff
.TH CONSOLETYPE 1 "Red Hat, Inc" "RH" \" -*- nroff -*-
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.SH NAME
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\fBconsoletype
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\- print type of the console connected to standard input
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.SH SYNOPSIS
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\fBconsoletype [\fIfg\fR]
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.SH DESCRIPTION
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\fBconsoletype
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prints the type of console connected to standard input, and checks
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whether the console connected to standard input is the current
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foreground virtual console. With no arguments, it prints
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\fIvt\fR
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if console is a virtual terminal (/dev/tty* or /dev/console device if not on
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a serial console),
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\fIserial\fR
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if standard input is a serial console (/dev/console or /dev/ttyS*) and
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\fIpty\fR
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if standard input is a pseudo terminal.
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.SH RETURN VALUE
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\fBconsoletype
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when passed no arguments returns
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.TP
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\fI0
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if on virtual terminal
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.TP
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\fI1
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if on serial console
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.TP
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\fI2
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if on a pseudo terminal.
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.TP
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When passed the \fIfg\fR argument, \fBconsoletype\fR returns
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.TP
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\fI0
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if the console connected to standard input is the current virtual
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terminal
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.TP
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\fI1
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otherwise. |