A terminal is an environment for text input/output. Inside the terminal, one runs command-line and text mode programs (including shells).

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X11 Path Issues and Confusion for Installed Packages

I am using GMT (generic mapping tools) and SAC (Seismic Analysis Code), and each use X11 (or XQuartz on 10.9.4 Mavericks) to display graphics. When I want to display postscript using ghostview, I get ...
8
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5answers
3k views

Vintage terminal for Ubuntu

So I have just been introduced to Cathode for OSX and I am completely fascinated by how classic it looks with it's 1970s retro style. Does anyone know of any programs/packages I can download to get my ...
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1answer
109 views

How can I recreate a VT100 environment and connect an Esprit 250C Terminal?

I have an Esprit 250c Modular Color RS/232 Terminal "Intelligence Unit" ( overview here, and pdf of features here ) I would like to make it work as a text-based tty terminal, maybe VT100 as it ...
4
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1answer
55 views

Is it possible to change what tty a terminal emulator is connected to?

If I have a terminal emulator (say, xterm) by default it connects to a pseudoterminal like /dev/pts/3 What I would like to know is if it is possible to connect it directly to, say, tty1? Could I ...
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0answers
67 views

Using X11 Displays through Terminal.app commands : generic mapping tools

I am trying to figure out why I can't use ghostscript or ghostview (or any other X11 applications) when I try to call them in the Terminal. I am using bash, and I also used Fink to get the packages I ...
2
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1answer
355 views

Logging interactive input and output without capturing all typed input and control characters

I am trying to log output from an interactive command-line program; units, specifically. I have tried using tee like this: units | tee units.log or script like this: script -c units units.log ...
3
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1answer
23 views

logging session with 'script' - how later read it?

I log my terminal session with script. As we know, it contains all characters that were send to terminal, including control ones, like backspaces etc. This makes output file a kind of unreadable, ...
4
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1answer
330 views

How to draw a single pixel in a terminal?

Until now I used characters to draw images, shapes etc in a terminal. Is it possible to draw a single pixel? Let's say: foo 1 1 red This will draw a red pixel at the coordinate (1, 1). Is there ...
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5answers
4k views

How to change title in gnome-terminal profile

I know how to load a specific terminal profile as well as loading a config file that the terminal reads, but every time I try to set the title and save the config file, it still returns to the ...
465
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3answers
89k 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 does each of these terms refer to?
54
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7answers
3k views

How safe is it to cat an arbitrary file?

Sometimes when I cat a binary file by mistake, my terminal gets garbled up. Nothing a quick reset can't fix, but couldn't an attacker theoretically create a file that, when displayed on a terminal, ...
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1answer
541 views

Change size of pantheon terminal

I haven't found any settings with regard to terminal size and I hate to keep resizing every time I want to use it. How can I change the size of the terminal?
2
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1answer
70 views

Play .wav when text scrolls in terminal

After watching a TV show, I came up with a fun idea. Is there a way to take that cheesy high-pitched sound effect they play every time text scrolls down a command-line screen on TV and play it when ...
7
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1answer
426 views

What exactly is 'scrollback' and 'scrollback buffer'?

What are "scrollback" and "scrollback buffer" in programs like bash and screen, and how do they relate to the tty, the programs being run, and stdin/ stdout/ stderr? Here is the only definition of ...
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2answers
2k views

How to change the width of remote serial console?

I followed this tutorial and now I'm able to connect to serial line. Now I want to change the width of terminal. How can I do this by using screen or minicom or something else?
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1answer
130 views

How to control network bandwidth using Linux [closed]

Currently my Internet is really slow. But I want to allocate all resources to a browser that is loading a movie. How do I do that?
3
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1answer
262 views

Stop printer jobs from terminal

I am working with an old CentOs version (5.0) that is not really my machine. Recently, for some dark reasons, I have problems in printing. The jobs rest in queue, and I cannot cancel them from the ...
2
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1answer
649 views

Garbage characters appear on screen when typing

When typing, garbage characters somehow appear on the screen for all the letters that I type. The garbage character is a small rectangle box, and this prevents me from executing any commands on the ...
1
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1answer
270 views

What does typing a single apostrophe do in terminal? [duplicate]

I typed in a single ' by accident and I got this as a result and exited out of it after typing ' in again. ' > > ' : command not found What does this do?
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1answer
86 views

Control + L not clearing screen

When I try to clear my terminal screen on OSX: computer@ ~ () $ ^L And when I hit Enter after that it just shows: -bash: : command not found Any ideas on how this happens? My .bash_profile, ...
7
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3answers
499 views

How to permanently change both STDOUT and STDERR color to grey?

This question is similar to Can I configure my shell to print STDERR and STDOUT in different colors? But I am looking for a solution that will allow me to change both STDOUT and STDERR to ONE color. ...
64
votes
4answers
7k views

What is the point of CTRL-s?

CTRL+s stops all output to the terminal which can be restarted with CTRL+q. But, why does CTRL+s exist in the first place? What problem was trying to be solved by putting that control sequence in ...
12
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2answers
1k views

disable CTRL-D window close in terminator (terminal emulator)

I am often logged in through multiple SSH sessions. To logout from my sessions, I press CTRL+d, until I am back on my local machine. However, sometimes I press once too many, and my terminal exits. ...
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1answer
101 views

Copy/paste across vim without X

In vim, "+p pastes from the system clipboard. However, when working remotely over SSH on a non-GUI box, this is not available. Is it possible to implement copy/paste in this environment? Merely ...
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0answers
19 views

Running Custom commands in a Terminal Application [duplicate]

I'm running a terminal application in /dev/pts/X terminal that has its own console as:         What I need is to run commands specific to this application but from ...
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1answer
924 views

How to change terminal character encoding

Today I uninstalled the GUI packages on my home CentOS installation. Now, when the machine starts, I get the login prompt. It acts finicky. Sometimes pressing enter just once after answering each ...
17
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2answers
879 views

How do I start all shell sessions in a directory other than $HOME?

When I open my non-login shell in Ubuntu, my present working directory is /home/user_name (my $HOME environment variable), but I want to change this such that when I start my terminal I am in some ...
14
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3answers
1k views

Using variables to store terminal color codes for PS1?

In my .bashrc, I use ANSI terminal color codes to colorize various bits. It looks like this: PS1='\u@\h:\w\[\033[33m\]$(virtual_env)\[\033[32m\]$(git_branch)\[\033[0m\]$ ' where virtual_env and ...
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1answer
49 views

Is it possible to switch the user logged in to desktop environment via the terminal?

Is there any possibility to login as a different user while changing also the environment (or how do you say the wallpaper, shortcuts,...) via terminal command like su, ssh or login? Like when you ...
10
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2answers
15k views

Connect to a Bluetooth device via Terminal

I'm using Mint 15 w/ cinammon. I bought a set of bluetooth speakers and i'm tring to connect to them via terminal. Via GUI i can see them normally and i am connected to them. I want to make a small ...
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2answers
73 views

Why do I have to execute bash programs with ./? [duplicate]

Why is it that some bash programs will only run on my system when I type ./ before their name? An example: In my [...]/android/sdk folders I have to execute adb like this: ./adb devices Why not ...
3
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0answers
58 views

Is it possible to save the state of open terminals?

When working on certain projects, I routinely open a number of terminals, navigate each of them to various directories and resize and position them on my desktop. Is there any way to save this ...
2
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2answers
3k views

Endless data loop from dev/ttyUSB while sending AT commands

I have problem sending AT commands to my USB modem. At first I tried php-serial class, but when i was reading data, I got endless loop with strange data. Then I tried to debug problem and opened putty ...
4
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2answers
784 views

mounting local network folder in Ubuntu

I add a folder in /etc/fstab: //172.30.12.37/test/ /home/my/test cifs user=afs,pass=123456,auto,exec,umask=002,gid=1000,uid=1000,file_mode=0777,dir_mode=0777 0 0 Now test link can be seen in ...
2
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0answers
421 views

How to enable Control key combinations for GNU screen on putty?

I am accessing a linux box via ssh using putty. Key combinations work fine when I'm not running screen. However, Ctrl key combinations do not work under a screen session. In fact, a Ctrl-any key is ...
13
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3answers
6k views

Telnet send Ctrl-C

I use telnet to connect to a terminal server, which proxies the traffic to a RS-232 port. Unfortunately when using some of the devices it is not possible to send the CTRL+C character (0x03). Instead ...
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1answer
508 views

Why CTRL+L in Terminal won't clear screen like cls in Powershell

I compared the CTRL+L in the Linux Debian terminal and the cls in Powershell. When I pressed CTRL+L, it doesn't really clear the screen, it just prints newlines a few times. But when I type cls in ...
2
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1answer
86 views

What modern terminal programs are still configurable per-invocation? [closed]

What terminal programs have the following characteristics? Unicode support geometry, fg/bg colours, other options settable from command line on a per-invocation basis actively supported ...
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1answer
57 views

Switching to tty changes mouse speed - why / how to change?

I like using a fast mouse, so I use xset to speed it up, more than possible with the normal gnome settings. When I switch to a tty and back to Gnome, my mouse is really slow again (changed to default ...
10
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2answers
1k views

Kernel Mode Setting vs. Framebuffer?

With KMS, the graphics drivers are moved into the kernel. Since the framebuffer was already in the kernel, I wouldn't expect this to affect framebuffer operation. Yet, I read that KMS supercedes the ...
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2answers
60 views

How to get text at start up of terminal

How to get text at start up of terminal as shown in this image.It should show whenever i open terminal.
0
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1answer
150 views

tmux: ncurses apps are displayed wrong (with garbage and so on) [duplicate]

I have ncurses apps (say, aptitude) working nice in plain xterm (or gnome-terminal, or any other terminal I've tried), but if I run it inside tmux session, screen isn't properly refreshed while I do ...
6
votes
2answers
353 views

if statement in .bashrc not working correctly

I set up .bashrc to show a long prompt if the terminal is at least 80 characters wide. Otherwise it shows a degraded, smaller prompt. I use an if statement to achieve this: dp_smaller_than=80 if [ ...
4
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2answers
4k views

How to change font colors in terminal?

I know how to change the font color via preferences, but it changes the color of ALL text, as in below:     What I'm going for is something more like this:     Any ...
0
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0answers
30 views

'Refresh-save' a file, dock problem?

A bit of context: I followed the bug reports on Docky (link1, link2, and all the other links in these links...) and managed to make Plank recognize IntelliJ IDEA using the right StartupWMClass on the ...
3
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1answer
90 views

Interrupting very long output in tmux

In a (gnome) terminal, if I cat a file which turns out to be much too long, I can always press Ctrl-c to interrupt. However, in tmux, when the same happens, it takes long for the signal produced by ...
7
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4answers
582 views

Stopping output from a program run in SSH session NOW

Problem I execute command that outputs LOTS of information through SSH. For example, I foolishly add debug information inside a loop that executes million times, or just run cat /dev/urandom for ...
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0answers
13 views

How to use stty to bind alt/option j to stop current process [duplicate]

I know stty intr ^j will bind Ctrl+j to do intr, but I want to bind this to Alt+j or Option+j. Any one know how to do this?
0
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0answers
189 views

VT100 terminal emulation to use with a Java-based 8-bit computer emulator

I'm successfully using GNU Screen as serial terminal to "talk" to my Altair 8800 clone (http://altairclone.com/) using serial line. The command I use is: screen -istrip /dev/ttyUSB0 Screen does the ...
17
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4answers
13k views

Dark blue color in vim or ls output in linux

I have a problem with dark-blue color in vim or ls output. Because I'm using black background color, words colored in dark-blue are almost completely invisible. How can I address this problem?