home | O'Reilly's CD bookshelfs | FreeBSD | Linux | Cisco | Cisco Exam  


tty [options ]

Print the device name of your terminal. This is useful for shell scripts and often for commands that need device information.



Print the synchronous line number, if on an active synchronous line.


Return only the codes: 0 (a terminal), 1 (not a terminal), 2 (invalid options used).

Previous: Reference: tset UNIX in a Nutshell: System V Edition Next: Reference: type
Reference: tset Book Index Reference: type

The UNIX CD Bookshelf NavigationThe UNIX CD BookshelfUNIX Power ToolsUNIX in a NutshellLearning the vi Editorsed & awkLearning the Korn ShellLearning the UNIX Operating System