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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11
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3answers
535 views

Terminal vs bash? [duplicate]

I'm on a Mac but I think this is generally Unix-applicable. I'm in the process of learning shell scripting and there's something I seem to be missing. When I'm in the ordinary terminal, I can use ...
0
votes
0answers
13 views

Create an alias using Command, Option, Control, or Fn key as part of the input

How can we map these keys into part of an alias or custom shortcut within the terminal? Is it the key codes that must be used or is there another way?
8
votes
4answers
6k 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 ...
10
votes
5answers
2k views

Terminal - copy from CLI without using mouse

While firing commands in CLI, I want to copy the command I just fired or anything I wrote in terminal and paste it somewhere else without using mouse. Like in following picture, I want to copy the ...
15
votes
3answers
2k views

Can I configure bash to execute “clear” before every command typed in the console?

I would like to configure bash to execute clear command every time I type some command in the terminal (before executing my command). How can I do that? I'm using Debian Linux.
0
votes
2answers
28 views

Tilde on unix:hpux and / or solaris

On Linux press F9 return a correct ~ On unix(solaris or hpux) return 0~ How to set correct tilde on those systems?
0
votes
1answer
19 views

Terminal sandbox commands

I was wondering if there's a way to run shell commands that affect only a certain directory and its subdirectories. I'm using PHP and I want to make an app that allows the user to execute shell ...
0
votes
2answers
17 views

Turn off mail notification in terminal

I'm running some cron jobs on my machine and every time I fire up a terminal session I'm getting a 'You have mail' message (the job produces output on success which gets mailed to me). Any way to ...
19
votes
6answers
10k views

Removing control chars (including console codes / colours) from script output

I can use the "script" command to record an interactive session at the command line. However, this includes all control characters and colour codes. I can remove control characters (like backspace) ...
0
votes
0answers
6 views

No option to up TX-Power in Kali Linux

I want to make my TX-Power but I don't have the option. When I type iwconfig i get this: wlan0 802.11b/g link ESSID:"296033" Mode:Managed Frequency=2.437 GHz Access Point: ...
0
votes
1answer
49 views

How do I grep on a live log (stdout)?

I'm not sure if that what stdout is, but that's what I think. What I want to do is filter out a certain log message when running an executable. I tried this: Executable 2>&1 /dev/null | ...
10
votes
6answers
5k views

How can I open a new terminal in the same directory of the last used one from a window manager keybind?

I'm using a tiling window manager and I switched from gnome-terminal with multiple tabs to multiple urxvt instances managed by the window manager. One of the features I miss is the ability to open a ...
13
votes
1answer
2k views

What protocol/standard is used by terminals?

I was wondering how the "GUI" of a command line application is communicated over a network. Most of the time, it's quite simple (plain text / input) but sometimes it's more complex (aptitude). Is it ...
0
votes
0answers
27 views

how to select text in terminal using the keyboard? [on hold]

how can i select (or highlight) a small portion of text in a terminal using only the keyboard ? Thanks in advance
12
votes
3answers
10k views

What is stored in /dev/pts files and can we open them?

According to my knowledge, /dev/pts files are created for ssh or telnet sessions.
1
vote
1answer
83 views

Is it possible to open a terminal with specified tty/pty

(I am using Ubuntu.) In my understanding tty is just a kind of port. You input something and it should output something. And a terminal (emulator) is a software handle those input and output. ...
0
votes
0answers
17 views

wrong MC colors when launched via xterm -e mc

I use ini-customized color theme in Midnight Commander 4.8. [Colors] base_color=linux:normal=cyan,rgb002:input=white,cyan:inputunchanged=black,cyan:dhotnormal=red When I launch xterm and then ...
83
votes
6answers
52k views

How can I close a terminal without killing the command running in it?

Sometimes I want to start a process and forget about it. If I start it from the command line, like this: redshift I can't close the terminal, or it will kill the process. Can I run a command in ...
2
votes
2answers
204 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 ...
0
votes
2answers
44 views

Running a program (command) on terminal after login screen in Ubuntu 14.04

NOTE :- This is not a duplicate question. I have searched about 100 times on this site and several others including Ubuntuforums,askubuntu and stackoverflow. I couldn't get my work done. OBJECTIVE :- ...
0
votes
0answers
23 views

Solarized theme in both mc and Terminator

I have configured Terminator to use Solarized color theme. I did the same for MC. However, the problem I have is that I don't get actual Solarized color scheme in MC (as there already is one below ...
1
vote
0answers
23 views

When I use zip, how can I display the overall progress without flooding the command line?

A fixed-length progress bar, a file or byte count, or better yet a timer showing the estimated time remaining would be ideal. zip's standard behavior seems to be to print a line for every file ...
1
vote
0answers
24 views

Monitor and alert user when stty settings change?

A particularly large (~10^6 LOC) program causes my stty settings to change from echo ixon icanon to -echo -ixon -icanon and I would like to find the function in this massive program that causes this ...
12
votes
2answers
4k views

What's the difference between various $TERM variables?

I tried vt100, vt102, vt220, and xterm by using top. But I can't find their difference. Is there any other term type? What's their difference?
1
vote
1answer
797 views

Corrupted gnu-screen session not displaying UTF-8 correctly

(Edited to clarify the role of Emacs in the problem with the display.) My current gnu-screen session has gotten corrupted somehow, and Emacs fails to display UTF-8 characters properly. I've ...
3
votes
1answer
72 views

How do I come by this pty and what can I do with it?

It seems that a simple shell redirect from /dev/ptmx gets me a new pseudo-terminal. $ ls /dev/pts; ls /dev/pts </dev/ptmx 0 1 2 ptmx 0 1 2 3 ptmx It disappears as soon as the process that ...
1
vote
2answers
41 views

Vim colors conflicting with terminal ones

For most vim colorschemes, they appear different than advertised when I open vim in xterm. I've been using xterm-256color and set t_Co=256. A similar thing happens when I use xfce-terminal, but the ...
0
votes
1answer
395 views

open gnome terminal with serveral tabs and execute a few commands in every tab

This is what I want to accomplish: I want to open a gnome terminal with five tabs in it I want to run a set of commands (5 – 10 commands) in each tab automatically First tab: shall set clear-case ...
0
votes
1answer
28 views

Running Linux in text mode - blank diamonds instead of Chinese/Punjabi etc. characters

While in the text mode and using, for example, Chinese/Simplified or India/Punjabi locale I get blank diamond symbols in the console in place of the characters. I am running Xubuntu with ...
2
votes
1answer
448 views

Activating colors in links2 (text mode)

I can't seem to see colors in links2 (text mode), even after playing with my TERM settings. The links2 manpage and README.Debian don't specifically address this issue. Also, command-line options like ...
1
vote
0answers
26 views

If I cancel when prompted for my Git password, I can no longer see anything I type, until I log back in [duplicate]

Everything still works (typing "exit", for instance, exits), but I can't see anything I type. There's not "funny characters", just nothing. Even re-running git and entering the password properly ...
0
votes
1answer
22 views

Problem connecting with Beagleboard through serial?

I'm trying to connect to a BeagleBoard on Ubuntu using a Serial-to-USB adapter. It is currently being recognized as ttyUSB0 on our system. When I run "screen /dev/ttyUSB0 115200" the output just says ...
2
votes
1answer
957 views

How to change a font/background color in transparent windows?

When you select something, the color of the selection usually changes to the font color, and the font color is being set to backgroud color. So, if you have a black background in a terminal, and the ...
2
votes
1answer
69 views

Can I see remote terminal? [duplicate]

I am running a C program in a Cent OS machine. Now, the lab is locked in this weekend, but I have access to another lab of the institute. I can access the files etc. via SSH from a Mac machine in the ...
76
votes
8answers
33k views

How can I disown a running process and associate it to a new screen shell?

I have a running program on a SSH shell. I want to pause it and be able to unpause its execution when I come back. One way I thought of doing that was to transfer its ownership to a screen shell, ...
1
vote
2answers
42 views

Locked out of my own mac terminal?

So recently, some of my friends had been tampering with my files and data through terminal, so I decided to secure it by doing two things: First, I added the following to my ~/.bash_profile for ALL ...
1
vote
2answers
34 views

'Present' terminal window on shell/executable command?

Currently using Xfce and xfce4-terminal, but suggestions involving other Linux-based systems may still be helpful. I start a longish-running program in a terminal window, then alt-tab away and do ...
1
vote
0answers
20 views

how are runlevels from CentOS 6 chkconfig translated for CentOS 7 systemctl?

How would I translate the following command from CentOS 6 to run in CentOS 7? chkconfig --level 345 dovecot on My first guess is to type the following instead: systemctl enable dovecot But ...
11
votes
1answer
618 views

Documentation on LESS_TERMCAP_* variables?

I see these pretty colors in manpages viewed with less when setting a bunch of these variables. What do they mean, where is the documentation? Is this interpreted by less or termcap? screenshot
93
votes
7answers
11k views

How to kill a runaway cat?

Many times I accidentally run the cat command on files have contents up to few thousand lines. I try to kill the cat command with Ctrl+ C or Ctrl+Z, but both only take effect after the total output ...
1
vote
1answer
22 views

Set default xdg-open application to terminal program

Is it possible to use terminal vim with xdg-open? I don't have a GUI text editor because I only use vim through the terminal. (I don't care very much for gvim either.) Is it possible to tell xdg-open ...
0
votes
0answers
46 views

Can I “hijack” a UNIX shell from another login? [duplicate]

Let's say I'm starting a job in a Unix terminal on a machine (a Mac if it matters), and this process does a lot of things and keeps printing output to the terminal. Then I go to another machine and ...
12
votes
2answers
722 views

Ctrl+D for ending terminal line input

If I do $cat > file.txt text<Ctrl+D><Ctrl+D> Question1: If I don't press enter, why do I have to press Ctrl+D twice? If I do $cat > file.txt pa bam pshhh<Ctrl+Z> [2]+ ...
1
vote
1answer
37 views

How does executing a file change the std input?

Imagine I have a script, which contains the goto command. The goto command will search in the std input for a line like this : jumpHere. But the std input is by default the terminal. It only makes ...
1
vote
2answers
47 views

Ctrl-z doesn't work in vi launched from Gnome terminal

I'm trying to switch Vi launched from Fedora Gnome terminal to background and go back to bash with Ctrl-Z but it doesn't seem to do anything.
0
votes
1answer
39 views

aterm or gnome-terminal window unresponsive to keyboard events

I try to investigate a problem: Depending on the way I launch aterm or gnome-terminal, the window may or may not be responsive to keyboard events. The cause of the problem may reside in Aterm, ...
0
votes
1answer
32 views

Selectively record commands and output from terminal to MySQL table

In some situations I would like to store complete commands and output from terminal sessions in a MySQL database. Ideally I would just copy the command and output from the terminal to my clipboard ...
3
votes
3answers
1k views

Sending message from one terminal user to another user

I have a user of name x in tty1 and y in tty2. Now x wants to write some message to y and vice-versa. Now I typed in tty1 terminal write y tty2 It is showing write:write:you have write permission ...
1
vote
0answers
29 views

Unable to create a configuration directory for [FishShell] Please set the $XDG_CONFIG_HOME variable

I'm getting this error when starting fishshell: melanie:~ melanie$ fish fish: Unable to create a configuration directory for fish. Your personal settings will not be saved. Please set the ...
0
votes
2answers
611 views

How to install most recent version of Eclipse via the Terminal

I'm new to Linux and have just been given a VM of Oracle Linux to work with. I need to install Eclipse on it and, after a bit of research, discovered that this could most easily be done with the ...