The tty tag has no wiki summary.
232
votes
4answers
41k views
What is the exact difference between a 'terminal', a 'shell', a 'tty' and a 'console'?
I think these terms almost refer to the same thing, when used loosely:
terminal
shell
tty
console
What exactly do each of these terms refer to?
4
votes
3answers
266 views
Construct a command by putting a string into a tty
I managed to do this
echo -n "command" > /dev/tty1
The letters appear, and the cursor moves, but they are "ghosts" - if you hit enter, nothing happens (they are not in stdin).
Edit:
In the ...
5
votes
1answer
1k views
Show a notification across all running X displays
Using the command line, I'd like show a notification on every running X display. ( and running console )
Something like:
notify-send-all 'Warning' 'Nuclear launch in 5 minutes, please evacuate'
Is ...
5
votes
1answer
102 views
How do I ensure that a terminal remains scrollable?
On my tty terminals (1-6), I lose text when I move away from it and back (i.e. pressing ShiftPg Up doesn't reveal any scrolled-off text). How can I recover this text?
12
votes
2answers
2k views
Linux: Difference between /dev/console , /dev/tty and /dev/tty0
On a Linux system, what is the difference between /dev/console , /dev/tty and /dev/tty0 ?
What is their respective use? How do they compare?
23
votes
2answers
936 views
Can a terminal emulator be as fast as TTY 1-6?
I've been trying various terminal emulators lately, from the built-in gnome-terminal, aterm, xterm, wterm, to rxvt. The test I've been doing is in this order:
Open up a tmux window with 2 panes
The ...
4
votes
4answers
356 views
ls command operating differently depending on recipient
How does commands like ls know what its stdout is?
It seems ls is operating different depending on what the target stdout is. For example if I do:
ls /home/matt/tmp
the result is:
a.txt b.txt ...
4
votes
4answers
4k views
How to stop cursor from blinking
How do I make the cursor stop blinking when in a TTY? (or anywhere else).
BONUS Points for one universal setting that stops the cursor blinking almost everywhere.
3
votes
2answers
303 views
Print console colors
Wrote a bash function to display the console colors.
But, it seems some of the colors are not possible to show that way! (?)
Also, note the strange "bright black"!
(Note: The below screendump is of ...
3
votes
2answers
3k views
Run getty on a serial port on startup on RHEL
I want to put a getty on ttyS2 on a RHEL 6.1 box so I can use IPMI's serial-over-ethernet functionality to log in to a machine when SSH isn't working.
In the past (on Ubuntu?), I used to add a line ...
1
vote
1answer
113 views
Start IceWM from the command line *and* get sound working?
So, I hate window managers. I hate them all.
My current distribution is Ubuntu 12.04. Here is my /etc/init/lightdm.conf:
# LightDM - light Display Manager
#
# The display manager service manages ...
0
votes
1answer
49 views
What are the different virtual TTY numbers used for?
It seems by default (at least on Ubuntu, but I think I saw the same on other distros) there are virtual TTYs 1-6 for text login, 7 for GUI login, and 8 upwards are unused or at least non-interactive ...
