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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35
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5answers
37k views

How to clear terminal completely?

When we use clear command or Ctrl+L in terminal, it clears terminal but we can still scroll back to view the last used commands. Is there a way to completely clear the terminal?
3
votes
1answer
826 views

Hardware code(s) from “sensors” command

When running the sensors command in the terminal, the output contains what appears to be some sort of unique identifier for each piece of hardware listed. This is the output, as you can see below, for ...
19
votes
2answers
10k views

Force GNU screen to reflow to current terminal width on reattach?

I would like to force GNU screen to reflow to the existing terminal width when I reattach a session. It seems to me this worked properly before I upgraded a machine to CentOS 6, but I cannot figure ...
2
votes
1answer
144 views

In terminal, I can search to end of log faster than the data gets there

[The Question] Is there some way to have the pipe/tee/write combo write lines immediately? ... if it can be done, what is the trade-off? [The Backdrop] My script sends a keypress to the terminal, ...
5
votes
1answer
1k views

GNU screen color and pine

I use GNU screen to run pine mail reader. I use external aspell to do spellchecking for the e-mails I sent. The problem is that when aspell finishes, pine restores the old content of the terminal, but ...
2
votes
1answer
279 views

Vim: mouse support lost after using netrw in xterm

Every time I access the filesystem using: :tabe dirname (e.g.: :tabe .) :vsp dirname :sp dirname in order to open some file while editing another one, I lose the mouse support inside the Vim ...
4
votes
1answer
711 views

Outputting to the screen on an ARM Mini2440. Currently just has a login prompt

I have a mini2440 ARM computer with a small screen and currently have it booting Debian Squeeze. I'm communicating with it over a serial connection using minicom. When the thing boots it gives me a ...
5
votes
3answers
668 views

How do I prevent a script from terminating when the shell exits?

In particular, I created a script to start Firefox which I double-click and choose 'Run in terminal,' but when the shell exits Firefox is killed immediately. How do I prevent this from happening?
13
votes
2answers
14k views

How to automatically record all your terminal sessions with script utility

What I want to achieve is be able to record my terminal sessions to file automatically whenever I use Yakuake/Konsole. It's easy to achieve if at the start of my session I do: script -f ...
1
vote
2answers
394 views

screen : automatic creating or reattaching sessions in different configurations

What's clean way to achieve, following functionality: function screen_create_or_reuse(){ if [ running_screen_session "$1" ]; then reattach_screen_session screen_name_"$1" else ...
2
votes
1answer
596 views

After screen Reattaching, previous bash broken

After I reattach screen session : screen -DR already_attached_session My previous terminal is broken with broken bash: [remote power detached] Warning: Program '/bin/bash' crashed. I can not ...
7
votes
2answers
3k views

working with filenames in a different encoding over ssh

I'm ssh'ing to a remote system where a different encoding for the filenames (and for the users' locales) has been used. And this causes some problems. Problems solved by matching the locale settings ...
6
votes
1answer
2k views

Is there a legend some place that describes all of these color-coded values at the bottom of byobu?

On my EC2 instance I am presented with a screen where the bottom looks like Some of the values seem pretty clear to me. Is there a legend available, or some place that explains this various color ...
5
votes
1answer
1k views

Fetching user input while running in the background

I am writing a script that prompts the user for input and does some processing afterwards. I was using read to get the data, but then I noticed that when the script is ran with a keyboard shortcut (I ...
5
votes
1answer
2k views

Why do backgrounded processes sometimes stop spontaneously?

Sometimes, some time after I've backgrounded a process with bg in bash, when I press Enter in the same shell to redisplay the prompt (just to check that I'm still in bash when some output from the ...
14
votes
3answers
571 views

How to log whatever I enter in terminal to file

I am a novice just learning Fedora 13. I just wanted to know if its possible to redirect whatever I type in the terminal to a file, so that I would be able to see from the file, that a particular ...
3
votes
2answers
2k views

sv_SE.UTF-8 Problems with Bash and VIM in iTerm2

Two specific issues, despite me running iconv -f iso-8859-15 on my old files when converting from sv_SE.iso8859-15 to sv_SE.utf-8 I still get distorted characters. And I believe it's because of Vim ...
1
vote
1answer
2k views

How to filter wvdial/pppd terminal output

I use wvdial to connect to the net with with my USB modem. It works correctly, and I am quite happy with it. When I start it in XFCE I have it set to output to a borderless, transparent terminal so ...
4
votes
3answers
5k views

How to list available app commands in terminal

I'm using fluxbox and recently i wanted to start an application for video editing and i couldn't remember it's name. I usually run apps from terminal so I was wondering is there a way to list all ...
3
votes
2answers
2k views

How can I pipe input from one SSH session to another? Using fifo?

A while ago I saw an article about piping messages from one console window to another using fifo ? I haven't used that before and can't find my link to the article. How can I set this up? I'd like ...
1
vote
1answer
324 views

Strange terminal behavior: 'j' key not working in urxvt

For some bizarre reason my 'j' key stopped working properly. Every time I hit the key, it prints "true". If I type 'jake', the terminal prints: >>trueake I don't know what lead to this. I ...
0
votes
1answer
2k views

unable to open X server

I am trying to generate a screenshot of a firefox window in my terminal, but I keep getting an error: root@host [~]# DISPLAY=:1 firefox http://www.cnn.com & sleep 5 && DISPLAY=:1 import ...
5
votes
2answers
25k views

Changing terminal emulators

I have ssh access to a remote machine. In this machine if I run echo $TERM I get xterm. If I want to change my terminal emulator to some other emulator (assuming that it's installed on the remote ...
3
votes
2answers
3k views

How to refresh a window by terminal? Or how to simulate `F5`?

I would like a way to refresh a specific window by the terminal. Probably I will need a comand to find the id or the name of the window and a command to refresh it. It looks like xrefresh cannot do ...
20
votes
2answers
20k views

Refresh aliases and functions after defining new aliases and functions?

When I define a new alias in .bash_aliases file or a new function in .bashrc file, is there some refresh command to be able immediately use the new aliases or functions without closing the terminal ...
6
votes
2answers
2k views

How to switch X windows from the command-line?

How can I create a script that automatically switches windows? I'm trying to do the same thing Alt+Tab does.
8
votes
2answers
728 views

Vi mode in other console programs

I quite like the Vi mode of bash. Is there any way to make it work in other programs (gnuplot for instance)? EDIT: As Shawn suggested below, configuring .inputrc and using rlwrap -a -c gnuplot gives ...
16
votes
3answers
12k views

How to launch a set of program inside tmux or gnome-terminal within a script?

I wanted to launch a few commands simultaneously in tmux or gnome-terminal or xfterminal , every different tab with a single command running , and close that tab when that command finishes. Any ...
3
votes
5answers
4k views

Open file found with 'find' command

This is probably an easy one, but I can't figure it out and it's pretty much not searchable. In a folder hierarchy I have exactly one file of type xyz. I want to find that file and open it with a ...
32
votes
9answers
137k views

How to connect to a serial port as simple as using SSH?

Is there a way to connect to a serial terminal just as you would do with SSH? There must be a simpler way than tools such as Minicom, like this $ serial /dev/ttyS0 I know I can cat the output ...
1
vote
2answers
826 views

What does pressing Alt+Shift+3 do in Terminal?

What does pressing Alt + Shift + 3 in Terminal do? All I can see is that it prints a pound sign and jumps to the next line, but, supposedly, it does something special.
0
votes
2answers
787 views

How do I set different directories for different domains on CentOS 5.5 server?

I'm running a CentOs 5.5 server and wanted to know what commands I needed to run to be able to do the following; I have 3 domains on the server - example1.com, example2.com, example3.com I wanted ...
2
votes
2answers
158 views

How can I create a terminal window with one tab per long-running script that I can individually kill with ctrl-C and restart?

I am working on an application that requires running many long running scripts, some of which I want to restart from time to time. Currently, I am trying to use gnome-terminal to solve this problem, ...
3
votes
1answer
2k views

Framebuffer on OpenBSD?

I am migrating from Linux to OpenBSD, and one of the things I miss from my old OS is how even the consoles looked nice (so nice you could actually watch movies in there) under framebuffer using a ...
4
votes
2answers
1k views

Bash: How do you view text that has been “scrolled up too far” in the terminal?

I know there is a simple unix command that allows you to view things from the top and/or allows you to scroll indefinitely toward the top. Not sure what to call it, so it's difficult to google. Thanks ...
4
votes
2answers
3k views

Ctrl+a+d exiting terminal?

I don't know what I have changed, but if I am on a terminal and I press Ctrl+a+d (that is, the three keys simultaneously) the terminal is killed. This is on gnome-terminal on Ubuntu and using zsh as ...
11
votes
2answers
3k views

What’s the difference between a “raw” and a “cooked” device driver?

Does this concept only apply to terminal drivers (which is what most sites cover) or to any driver in general?
12
votes
3answers
6k views

Why don't my arrow keys work in sh?

I recently installed Ubuntu and when I run sh on the Terminal my arrow keys don't work so I can't go through my call history or edit whatever I'm typing. It just comes out as weird characters like ...
0
votes
1answer
375 views

Non printing characters

I would love to get the mappings to work for keyboard shortcuts shown here http://ascii-table.com/ansi-escape-sequences.php I have the hang of color but for some reason nothing else seems to work!
16
votes
2answers
9k views

How do I leave a message for another (local) user?

I know you can use write to send a message to a currently logged in user, but how do you leave a message for a user who is not logged in? The solution I have seen is modify the motd, but that will be ...
7
votes
2answers
614 views

DEC ANSI command sequence questions; cursor movement

So I'm writing a terminal emulation (I know, I should just compile putty, etc.) and am at the stage of plodding through vttest to make sure it's right. I'm basing it on the VT102 for now but will add ...
38
votes
3answers
23k views

What are pseudo terminals (pty/tty)?

This might be really basic question but I want to understand it thoroughly. What is a pseudo terminal? (tty/pty) Why do we need them? How they got introduced and what was the need for it? Are they ...
4
votes
1answer
2k views

Load my .profile for bash in Emacs terminal buffer? (multi-term mode)

I've got multi-term mode (derived from ansi-term) with bash started in Emacs 23.3, which is a terminal emulator running in Emacs. However, I noticed that it did not load my user profile, including ...
1
vote
1answer
558 views

Improved MySQL interface

Is there a MySQL terminal prompt that supports things like tab-completion and history? The standard one that comes with MySQL doesn't have those features
24
votes
7answers
31k views

How to disable line wrap in a terminal?

I need to view large logs files using a bash shell. I was using less to open the files, but since the lines are too lengthy there is some kind of line/word wrapping going on. Since the files are ...
5
votes
3answers
45k views

How to find which Process is causing High CPU usage

Is there any way to find out from terminal which process is causing high CPU Usage ? It would also be useful to order processes in descending order of cpu Usage
4
votes
1answer
313 views

Emacs ansi-term and term not working well when I ssh into a remote machine

I have the exact same Emacs configuration on a local and remote machine, and when I run M-x ansi-term or M-x term on each of them individually everything works great. However, if I run any of these ...
3
votes
2answers
2k views

How to remove/change the message displayed when opening a terminal?

Using Ubuntu 10.10 .In GUI mode when I open up a terminal, a message is displayed at top left above the prompt: Ghost@work-Ubuntu:~$ , I would like to change it, so I would like to know in which file ...
2
votes
2answers
5k views

Displaying and updating a counter in bash

I think it's something like this: (Fedora14/bash) #!/bin/bash for i in {0..10..1}; do echo -e "$i"'\c' echo -e "\n\r" sleep 1 done But it doesn't work. Purpose: like this, but without the ...
0
votes
0answers
96 views

Open Sakura in home directory [duplicate]

Possible Duplicate: Open Sakura in home directory I love XTerm but I would like to enable tabbing (multiple terminals in one window separated by tabs). The terminal Sakura is based on ...