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Diffstat (limited to 'man4/tty.4')
-rw-r--r-- | man4/tty.4 | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/man4/tty.4 b/man4/tty.4 deleted file mode 100644 index 72bfcdf..0000000 --- a/man4/tty.4 +++ /dev/null @@ -1,67 +0,0 @@ -.\" Copyright (c) 1993 Michael Haardt (michael@moria.de), -.\" Fri Apr 2 11:32:09 MET DST 1993 -.\" -.\" SPDX-License-Identifier: GPL-2.0-or-later -.\" -.\" Modified 1993-07-24 by Rik Faith (faith@cs.unc.edu) -.\" Modified 2003-04-07 by Michael Kerrisk -.\" -.TH tty 4 2023-10-31 "Linux man-pages 6.7" -.SH NAME -tty \- controlling terminal -.SH DESCRIPTION -The file -.I /dev/tty -is a character file with major number 5 and -minor number 0, usually with mode 0666 and ownership root:tty. -It is a synonym for the controlling terminal of a process, if any. -.P -In addition to the -.BR ioctl (2) -requests supported by the device that -.B tty -refers to, the -.BR ioctl (2) -request -.B TIOCNOTTY -is supported. -.SS TIOCNOTTY -Detach the calling process from its controlling terminal. -.P -If the process is the session leader, -then -.B SIGHUP -and -.B SIGCONT -signals are sent to the foreground process group -and all processes in the current session lose their controlling tty. -.P -This -.BR ioctl (2) -call works only on file descriptors connected -to -.IR /dev/tty . -It is used by daemon processes when they are invoked -by a user at a terminal. -The process attempts to open -.IR /dev/tty . -If the open succeeds, it -detaches itself from the terminal by using -.BR TIOCNOTTY , -while if the -open fails, it is obviously not attached to a terminal and does not need -to detach itself. -.SH FILES -.I /dev/tty -.SH SEE ALSO -.BR chown (1), -.BR mknod (1), -.BR ioctl (2), -.BR ioctl_console (2), -.BR ioctl_tty (2), -.BR termios (3), -.BR ttyS (4), -.BR vcs (4), -.BR pty (7), -.BR agetty (8), -.BR mingetty (8) |