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Diffstat (limited to 'src/consoletype.1')
| -rw-r--r-- | src/consoletype.1 | 35 |
1 files changed, 23 insertions, 12 deletions
diff --git a/src/consoletype.1 b/src/consoletype.1 index 2720f871..3f4ec14b 100644 --- a/src/consoletype.1 +++ b/src/consoletype.1 @@ -1,28 +1,39 @@ .TH CONSOLETYPE 1 "Red Hat, Inc" "RH" \" -*- nroff -*- .SH NAME -.B consoletype +\fBconsoletype \- print type of the console connected to standard input .SH SYNOPSIS -.B consoletype +\fBconsoletype [\fIfg\fR] .SH DESCRIPTION -.B consoletype -prints the type of console connected to standard input. It prints -.I vt +\fBconsoletype +prints the type of console connected to standard input, and checks +whether the console connected to standard input is the current +foreground virtual console. With no arguments, it prints +\fIvt\fR if console is a virtual terminal (/dev/tty* or /dev/console device if not on a serial console), -.I serial +\fIserial\fR if standard input is a serial console (/dev/console or /dev/ttyS*) and -.I pty +\fIpty\fR if standard input is a pseudo terminal. .SH RETURN VALUE -.B consoletype -returns +\fBconsoletype +when passed no arguments returns .TP -.I 0 +\fI0 if on virtual terminal .TP -.I 1 +\fI1 if on serial console .TP -.I 2 +\fI2 if on a pseudo terminal. +.TP +When passed the \fIfg\fR argument, \fBconsoletype\fR returns +.TP +\fI0 +if the console connected to standard input is the current virtual +terminal +.TP +\fI1 +otherwise.
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