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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185 views

To write this Pseudocode with Regex

I am doing a Makefile which I run regularly by Crontab every day at 0230 crontab -e; 30 2 * * * /bin/thePseudocode Python-like Pseudocode directories = ["Cardiology", "Rheumatology", "Surgery"] ...
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3answers
6k 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 ...
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4answers
1k 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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2answers
2k views

Alt-Left to skip words does not work in terminal emulators

On a Debian Wheezy machine at previous job, I got used to Alt+Left and Alt+Right to skip between words on active command-line (in bash). However, since at home I have upgraded to Jessie (Debian 8.0, ...
8
votes
1answer
4k views

How can I list the available color names?

I'm trying to add some color to my git configuration and I want to know what color names are available on the terminal. I only want to use colors by name so it's easier for others to understand I ...
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3answers
223 views

cssh: change terminal from xterm to terminator

I would like cssh to use terminator terminal emulator, instead of the default xterm. In ~/.clusterssh/config I have changed the following line: #terminal=/usr/bin/xterm terminal=/usr/bin/terminator ...
5
votes
1answer
2k views

Mosh: Retain backscroll beyond terminal window height [duplicate]

I'm experimenting using Mosh instead of raw SSH for remote shell connections. So far I like it, but I've become used to being able to page-up or scroll through backscroll in my terminal window to see ...
5
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9answers
1k views

Unix without a GUI for old machine

I have been given my father's old computer, which currently runs Windows 95 and has a 133-MHz processor, a Pentium(r) according to "My Computer". It seems a shame to recycle it when it works so well ...
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6answers
3k 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 ...
4
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5answers
587 views

Only output most recent 10 (or n) lines of a lengthy command output

I have a command that outputs thousands of lines. I actually need these lines in order to see the progress of the command. But I do not need to see more than the 10 most recent lines. How can I do ...
4
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2answers
3k views

Scrolling through ls output without a mouse

In some directories there are quite a few files. When I use ls the output is more than my terminal can handle. Typically I just use one of the following: ls | less ls | more depending on my mood. ...
3
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2answers
388 views

tmux: shared session, one user in a pane, another in another pane, two different cursors

I've decided to try tmux: have been reading the docs and googling around, trying to find a way to have two users sharing a session, each with a different cursor. However, giving 777 permissions to ...
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2answers
3k views

Horizontal Scrolling in Terminal

So there are I believe 2 questions on this already. All of them to do with tail -f and hence people give the tangent answer of "use less". I need it for everything, every command, etc. The problem ...
3
votes
5answers
6k views

Fix terminal title after SSH remote logging to another machine

right now I am using an one-line perl code to change titles of my terminal bars, print("\e]0;@ARGV\7"); but every time after I ssh to another remote machine, the title will be modified by the host ...
3
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2answers
2k 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 ...
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3answers
2k views

What is the problem with the output of plink?

On my Windows7 machine, I'm traversing to the installed path of PuTTy Application and running: plink <hostname> to connect to my remote Linux host. I see some unrecognized characters in the ...
2
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1answer
1k views

Control and up/down keys in terminal for use by emacs

Is it possible to use C-up and C-down when running emacs in the terminal window (when starting emacs from the command line with the -nw flag)? What should my terminal send when I press C-up and C-down ...
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4answers
411 views

How to change color of a character while tailing and tr

I regularly use this command line but I would like to change the color of the "|" to green in the output. Does anyone know how I can accomplish this? tail -f file.log | tr '\001' '|' | grep TEST
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2answers
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The command ` ls -ltu ` fails to list folders/files based on last accessed time

First on your linux desktop create 2 folders. a b Now run this in the terminal ls -ltu the result is drwxr-xr-x 2 root root 4096 Aug 30 20:33 b drwxr-xr-x 2 root root 4096 Aug 30 20:33 a ...
10
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1answer
1k 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 ...
9
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2answers
2k 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?
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3answers
2k views

Colorized `cat` for source and script files? [duplicate]

Possible Duplicate: How can I display syntax highlighting on a file? Is there any application like cat, but with color output? I'd like to view my files with colors like in any IDE's ...
6
votes
2answers
752 views

bash - why does \x0d\x20 erase the line

This is the view from gedit editor: and the view from vim editor: I then try to grep it, it did grep successfully if i put Log instead of Tog, but the output is corrupted: [xiaobai@xiaobai grep]$ ...
6
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1answer
2k views

Keyboard shortcut to copy current command from terminal to clipboard [duplicate]

Is there any way to copy current command (line typed in bash prompt) in terminal to X-clipboard without involving a mouse?
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3answers
1k views

Change $TERMINFO in bashrc script

I'm trying to set TERMINFO="$HOME/.terminfo" within my .bashrc script. The reason being is that my terminal isn't in the system terminfo location, and so I have its terminfo file in my home directory. ...
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3answers
14k views

Shell console clearing

Is there a way to clear up what is displayed on the shell console (in ubuntu linux) in just a single key or two? When I get flood of lines from grep and that exceeds the height of the window, I want ...
5
votes
2answers
90 views

How are terminal length and width forwarded over SSH and telnet?

When I view the length and width of my terminal emulator with stty size then it is 271 characters long and 71 lines tall. When I log into another server over SSH and execute stty size, then it is also ...
5
votes
1answer
354 views

Is split-screen `cat`ing possible?

I asked the question How to use cat or less depending on the line count? with the intention of browsing many files without having to scroll up too far to view my history after displaying a long file, ...
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votes
3answers
5k views

How do I run safecopy in terminal?

I'm very new to terminal and Linux so apologies! I have a crashed external hard drive that is spinning but wont appear on the desktop. I ran safecopy from terminal and this is what it said at the end ...
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2answers
1k 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.
4
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2answers
155 views

How to get the real name of the controlling terminal?

How can one get the real name of the controlling terminal (if there is one, else an error) as a pathname? By "real name", I mean not /dev/tty, which cannot be used by other arbitrary processes to ...
4
votes
3answers
2k views

Read and process a string, char by char, yet allow user to simple line edit the input

I want to incrementally read a line of input from the terminal, and allow the user some basic line editing functionality; INS, DEL, RIGHT, LEFT HOME, END, BACKSPACE Each time the string is ...
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3answers
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Overriding the shade of color displayed

I have to work on systems which display some colors that are hard to read. I ssh into these systems, but don't have management permission to change the colors they display. Is there any way I can ...
3
votes
2answers
221 views

Where does the TERM environment variable default get set?

When I open a terminal window with the GNOME Terminal emulator in the desktop GUI the shell TERM environment variable defaults to the value xterm. If I use CTL+ALT+F1 to switch to a console TTY ...
3
votes
4answers
3k views

Keeping a process running on server even SSH is closed [duplicate]

I am running long program on server, which is basically Jar file of java program. I want to keep this program running even if SSH terminal is closed, how I can keep this program running on server?
3
votes
1answer
1k views

How can I pipe commands to any terminal?

I often use more than one terminal (or terminal emulator) at a time; and while in X I can copy-paste commands, besides not being very practical, it obviously does not work on the real TTY. The first ...
3
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2answers
526 views

Ruby update not working using two methods

I tried to install ruby version 1.9.3 with this on my mac 10.6.8: $ \curl -L https://get.rvm.io | bash -s stable --ruby Oskar-Niburskis-MacBook-Pro:~ oskarniburski$ rvm install ruby-1.9.3-p362 ...
3
votes
1answer
2k views

Confused about Debian error message from su

On Raspbian, the Debian distro aimed at RPi, I end up getting the following error: $ sudo su -l root -c /bin/bash bash: cannot set terminal process group (-1): Inappropriate ioctl for device bash: no ...
3
votes
4answers
2k views

Set tab width in GUI terminal

I found that setterm -regtabs 4 doesn't work in xterm or urxvt. But, this xterm_set_tabs () { TERM=linux; export $TERM; setterm -regtabs 4 } will circumvent the problem. But, I suspect ...
3
votes
4answers
273 views

Change working directory of 2 terminals at once

I've typically have gnome-terminal open with ~8 tabs, using 2 consecutive tabs for the same task (one has emacs, the other is used to do git checkins and unittest runs and so). When changing tasks, I ...
3
votes
2answers
960 views

closing unused gnome terminals

while working I start lots of gnome-terminals and do something with them. dd on first terminal, 12 ssh sessions to a bunch of servers to do something. These sessions are finishing it's job and get ...
2
votes
2answers
2k views

Installing Steam on Debian Wheezy

I downloaded the .deb file from the Steam website, but couldn't install it as it complained about having and "outdated" version of libc6. I look around and apparently I have to add jessie sources to ...
2
votes
2answers
124 views

In OS X Darwin, why can I interfere with text input across user sessions using cat?

OS X Darwin: Disrupting Terminal Sessions Across User Identities How, in Brief: with cat < /dev/ttys_, in Terminal. My Question This OS X 10.9.2 Darwin behaviour seems odd to me, and I would ...
2
votes
2answers
349 views

Command-line editing vim style [duplicate]

I recently discovered terminal's feature, you can set the keys emacs or vi style I prefer the second. so if you do set -o vi You can use k j l h keys to navigate on the command line. And you can ...
2
votes
4answers
663 views

Incrementing a variable each time the system boots up

The idea is to initialize a variable and set it to 0. Then create a script that executes on boot and increments that variable by 1 each time the system boots up again. Sounds simple enough right?
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1answer
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How to select a line of text in the archaic terminal browser - Links

I poured over this http://links.twibright.com/user_en.html#subsubch-html_options But so far does not seem like there is an key to select a line in the browser running in text mode. I would like to ...
2
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1answer
169 views

How can a bash script detect support for window titling escape characters?

I have a debug trap that runs every time I enter a command in bash that sets the window title to indicate what command is running. I'm leaving out all the configuration details and boil it down to: ...
2
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0answers
72 views

Is it possible to modify the colors in bash? [duplicate]

Possible Duplicate: Is it possible to configure Bash so that STDERR can be a different color than STDOUT? In bash, the only color I know how to modify is the prompt, using \[ and \]. From ...
2
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5answers
4k views

Perl script, do cd on terminal

In Script to change current directory (cd, pwd) it is shown how to run a bash script that changes terminal directory. But how do i run a perl script that runs a bash script that changes terminal ...
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votes
4answers
2k 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 ...