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34
votes
4answers
5k views

What are the responsibilities of each Pseudo-Terminal (PTY) component (software, master side, slave side)?

I am trying to figure out how a tty works1 (the work-flow and responsibilities of each elements). I have read several interesting articles about it, but there are still some blurry areas. This is ...
8
votes
6answers
3k views

Can I see images and watch movies inside the terminal emulator

Can I see images and watch movies inside the terminal emulator? In case of virtual console I can do it via framebuffer, but what about terminal emulators?
13
votes
3answers
7k views

Checking how many colors my terminal emulator supports

Is there a reliable way to check how many colors my terminal emulator supports? If echo $TERM prints xterm, does that unequivocally tell me how many colors my terminal emulator supports? How could I ...
14
votes
2answers
703 views

What is the most portable method of launching a terminal emulator?

Say I need to write a script that will launch a terminal and execute a command and I need that to work on various systems. How can I do that in a safe and portable manner? Is xterm always installed? ...
18
votes
2answers
5k views

How does a Linux terminal work?

If you fire up a terminal and call an executable (assuming one thats line oriented for simplicity) you get a reply to the command from the executable. How does this get printed to you (the user) does ...
13
votes
4answers
9k views

use mosh without giving up local scrollback / history?

Is there a way to use mosh without giving up the local scrollback? Basically, in some circumstances, IP-roaming is indeed useful and needed, but the extra terminal emulation and key prediction seems ...
10
votes
2answers
5k views

What is making my cursor 'randomly' disappear when using gnome-teminal?

It happens often that my cursor on gnome-terminal disappears, forcing me to work on a new tab/window. It seems like a random occurrence. Does anyone else experience this? What about other X terminal ...
5
votes
1answer
3k views

In Bash, why is PROMPT_COMMAND set to something invisible?

On RHEL6 and CentOS 6, /etc/bashrc sets PROMPT_COMMAND here: case $TERM in xterm*) if [ -e /etc/sysconfig/bash-prompt-xterm ]; then PROMPT_COMMAND=/etc/sysconfig/bash-prompt-xterm ...
5
votes
2answers
2k views

Can't apply brightness to terminal's background color

I have a problem with colors in my terminal emulator. I am using LXTerminal as my terminal emulator and LXDE as my desktop environment. The following command is supposed to print red text on grey ...
19
votes
6answers
23k views

How can I hook on to one terminal's output from another terminal?

I need to hook onto output of currently running terminal (tty1) from virtual terminal and capture it (running X server). I'm pretty sure such a thing is possible by simpler means than debugging ...
31
votes
3answers
28k views

Which terminal type am I using?

I have tested this with both Ubuntu 12.04 and Debian 7. When I do echo $TERM I get xterm But if I use the dropdown menu "help" > "about" then it says gnome terminal 3.4.1.1. Does this mean I am ...
17
votes
6answers
1k views

Is there a terminal app that allows filenames to be clickable?

Is there a terminal emulator (extension or app) that does link resolution for local paths? In particular when I see things like: ...
10
votes
3answers
1k views

Are there any linux terminals which can handle all key combinations?

I like to use emacs in terminal mode (-nw), but it seems most (all?) terminals can't handle some key combinations - for example, C-<RET> or C-M-%. I know this is because most terminals emulate a ...
6
votes
1answer
449 views

prevent multi-line paste in bash

I often use ctrl+c to copy text from some gui application and then paste it into my terminal emulator (terminator), using right-mouse-click-menu and paste. Sometimes I forget that the clipboard ...
5
votes
6answers
4k views

Is there a (light-weight) replacement for `rxvt-unicode`?

I am currently using rxvt-unicode as a terminal emulator. Since I also like the configurability of terminal emulators from GNOME and KDE, I wonder whether there is some kind of replacement for ...
6
votes
2answers
552 views

Are there terminal emulators that support bi-directional text?

I tried searching for this but came out empty-handed. Is it possible for me to get my terminal emulator to display right-to-left Unicode grapheme clusters properly? Use case: I'm writing a script ...
2
votes
2answers
171 views

Why do multiple instances of Mate-terminal have the same PID?

I've noticed, that all mate-terminal instances I start, be it inside a mate-terminal or via a link button, have the same PID. For example, I got something like $ wmctrl -lp <omitted lines that ...
1
vote
2answers
364 views

How are long command lines ( > $COLUMNS ) automatically wrapped to a new line?

There are several points where I/O is passed through, some of which (to my knowledge) are the shell, pty, tty, termios, terminal emulator application. In most terminal emulators, long command lines ...