NAME
consoletype - print type of the console connected
to standard input
SYNOPSIS
consoletype [fg]
DESCRIPTION
consoletype 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 vt if console is a
virtual terminal (/dev/tty* or /dev/console device if not on a
serial console), serial if standard input is a serial
console (/dev/console or /dev/ttyS*) and pty if standard
input is a pseudo terminal.
RETURN VALUE
consoletype when passed no arguments
returns
- 0
- if on virtual terminal
- 1
- if on serial console
- 2
- if on a pseudo terminal.
- When passed the fg argument, consoletype returns
- 0
- if the console connected to standard input is the current
virtual terminal
- 1
- otherwise.