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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3
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1answer
126 views

Does “color” in TERM always mean I can use colors?

Should the following always indicate that I can use escape sequences and tput to colorize things? if [[ $TERM == *"color"* ]]; then true else false fi
3
votes
2answers
83 views

How to create an X window which won't close by any way other than a terminal command

I'm trying to create a process that will start with X11, will be graphical and unkillable by my own user. More specifically, I have an urxvt drop-down terminal starting at startup and running a tmux ...
2
votes
1answer
54 views

How to substitute one color code for another in terminal?

Can I make bash automatically substitute one color code for another? For example, whenever a program outputs text wrapped in color code for bold foreground, I would like bash to actually use code for ...
1
vote
0answers
13 views

how to set up the format of a title of the tabs of Terminator?

I can't find any method of how to set up the format of a title of the tabs of Terminator. it's probably has to do with its config at ~/.config/terminator/config but how exactly? I want to shorten ...
58
votes
4answers
184k views

How to append multiple lines to a file with bash

I am writing a bash script to look for a file if it doesn't exist then create it and append this to it: Host localhost ForwardAgent yes So "line then new line 'tab' then text" I think its a ...
0
votes
1answer
25 views

Giving a user permission to modify/edit/delete files in “/” directory (Not using Terminal, but with File Explorer)

I'm currently having an issue trying to give a user the permissions that the 'root' user has, which is to modify anything in the / directory. I've changed the /etc/passwd file but still no luck. I've ...
5
votes
2answers
255 views

How is the su command masking/protecting my password from being displayed on screen? [duplicate]

Apologies if this is an abstract question - I'll try to be as specific as possible. When I'm at the bash shell and switch to a different account via su - foo, I'm prompted for a password. The ...
23
votes
7answers
30k 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 ...
2
votes
3answers
99 views

Trying to understand .bashrc, env, and export

Disclaimer: Using bash. I just need some confirmation / correction on my understanding of these things: env is basically displaying the current environmental variables that are accessible to my ...
0
votes
1answer
32 views

How to overwrite the default shortcuts of the terminal in xfce?

I have xfce installed and use xfce terminal. I can't figure out how to overwrite the default shortcuts so that I can use Ctrl+C(V) for copy/paste in the terminal. So far in other desktop environments ...
3
votes
3answers
283 views

How to know if extglob is enabled in the current bash session?

I have a bash terminal open. I want to find out whether the option extglob is enabled or disabled in this session, before I change its value. How can I do this?
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vote
0answers
41 views

Terminal colors changing when opening a new tab

I'm running Ubuntu 14.04 (x64 desktop edition) and I have an issue in my terminal (bash) where my colors seem to get "saturated" and my line cursor changes to black when opening a new tab, the first ...
0
votes
2answers
52 views

Execute a shell script via crontab

Currently I got stuck by trying to execute a shell script via crontab. It does not work and I can't figure out what is wrong here. What I want to do is: Execute a javascript (index.js) file with ...
13
votes
4answers
117k views

How do I exit or cancel a bad bash command?

I expect to get some flak for this, but I can't find the answer anywhere. It seems like it should be so obvious. Sometimes, when I type a bad command in a bash terminal, the cursor just jumps down to ...
0
votes
1answer
39 views

is not possible to open the terminal emulator?

Hello all i can't open the terminal emulator, when i try to do it, i can see the lines on the picture and then gets closed. i tried to create a new user but is giving, it worked but i can't compile ...
1
vote
1answer
25 views

Linux Terminal autologin only once after reboot

I'm trying to have my computer automatically log in as a specific user after reboot on an Arch Linux machine. I followed the guide from the Arch Linux Wiki, ran # systemctl edit getty@tty1 and pasted ...
0
votes
1answer
37 views

xterm no absolute path found for shell

I am trying to run a script in SUSE Linux Enterprise 12 from java using ProcessBuilder. Codes for this follows: ProcessBuilder pb = new ProcessBuilder("xterm", "-e", "script_path"); Process pr = ...
0
votes
0answers
25 views

bash's pseudo terminal master [duplicate]

I learn when we use pts, there is master of pts. Then, when we type the characters on the pts(which is the terminal of bash), not only the output of bash goes to pts but also its master? I confirm ...
0
votes
1answer
73 views

How to have Terminator display remote hostname in title bar? [duplicate]

When I am SSH'ed into any one of my Linux devices, the title bar on Terminator displays user@hostname, where hostname is the computer I am SSHing from, rather than the computer I am SSH'ed into (i.e. ...
78
votes
2answers
40k views

Ctrl-s hang terminal emulator?

I came across a sentence in vimdoc: Note: CTRL-S does not work on all terminals and might block further input, use CTRL-Q to get going again. and this key indeed hangs my vim. I was ...
0
votes
2answers
71 views

Removing ISO 9660 from USB using Terminal

I received a USB flash drive that contains a pre-installed ISO 9660 (Joliet) image on it. To delete the image and free up space on the drive, I attempted to use sudo rm -rf /Volumes/ISONAME via a ...
1
vote
0answers
34 views

Switching (su) to a paswordless account

I've made account A passwordless with passwd -d A. Now, when I log in as user B from a terminal and run su A I can switch to user A (and I am not even asked for a password). If, however, I log as ...
2
votes
3answers
349 views

New line after the command prompt

Is there any way I can configure terminal applications to display command text from front of $ to under the user name on terminal window? See image attached. I use terminator.
3
votes
2answers
297 views

How do I print the (numerical) ASCII values of each character in a file?

How can I print the numerical ASCII values of each character in a text file. Like cat, but showing the ASCII values only... (hex or decimal is fine). Example output for a file containing the word ...
30
votes
3answers
4k views

Why is the password I entered not visible?

Below is an image of the process I took to create a user on bash in Linux. I understand that the password shouldn't be displayed for security purposes, but what I mean is, why do asterisks (or the ...
2
votes
1answer
42 views

Capture tmux status bar content

I wrote an addon to tmux, tmux-gitbar, it adds to tmux status bar some information about the current Git working tree (name of local and remote branch, working tree is clean?, etc.). So basically it's ...
35
votes
3answers
97k views

What is the best text-mode browser? [closed]

I am looking for one that is updated frequently and has support for many things.
3
votes
1answer
50 views

Changing fonts in the Mate terminal application

How would I change the font of my terminal in FreeBSD to the Noto Sans font? I am interested in Noto's support for a wide variety of Unicode characters. I downloaded the font using the package manager ...
1
vote
3answers
1k views

Reopen a last closed tab in gnome terminal?

Can we reopen an accidentally closed tab in gnome terminal? Assume the closed tab is the last closed one. In firefox, we can use Ctrl-shift-t to do that. But I haven't found away in gnome terminal ...
35
votes
5answers
2k views

Syntax highlighting in the terminal

Lots of programming-oriented editors will colorize source code. Is there a command that will colorize source code for viewing in the terminal? I could open a file with emacs -nw (which opens in the ...
1
vote
1answer
24 views

How I can change the home directory of the sftp server on MAC OS X?

I'm trying to set up SFTP's home directory on a MAC OS X Mavericks for user my_user. Now, it looks like: /Users/my_user (i got it with sftp> pwd command) but I want it be: ...
0
votes
0answers
19 views

Override obxprop | grep “^_OB_APP” values with Bash

I'm used to launch some of my apps from bash, like Irssi with Tmux, in the following way: #!/bin/bash urxvt -icon "/usr/share/icons/irc.png" -title "IRC" -e /bin/bash -i -c "tmuxinator irssi" But ...
3
votes
2answers
91 views

Relations between control characters, signals and terminal

What are the relations between control characters and signals? Or are they unrelated? Are control characters received by a terminal? After a terminal receives a control character, is the terminal ...
5
votes
2answers
11k views

exit tmux window without quitting the Terminal program

OK I'm new to this. I installed tmux to run a several days experiment. After typing tmux new -s name I got a new window with green banner at the bottom. I compile and run java program. Now I do not ...
0
votes
1answer
25 views

Delete file returned by “mpc search” with single command

using the mpc search command I can find a the filename of a song like so: mpc search title 'Two Weeks' The output would look like this: Grizzly Bear - Two Weeks.mp3 Since I also know the location ...
1
vote
1answer
45 views

Make terminal content fit the window size

I have a fluxbox environment that uses Eterm to open a telnet connection to my server. I set Eterm to have the biggest fint possible, but it's not full-width. Is there a way to set Eterm to make the ...
1
vote
0answers
49 views

How to use wget to process a html file before downloading a file [closed]

I'm trying to write a bash script to download a certain file. In order to download the file, you need to be logged in, first to access he file, secondly because the file is generated with you ...
8
votes
3answers
862 views

Copy a long single-line text from a terminal with undesired change-line

locate ... | less outputs a long path, which is shown as several lines in the terminal, although it is actually a single line. I copy the path from the terminal by selecting the text with mouse and ...
3
votes
2answers
111 views

How can I determine if a process is running unseen in terminal?

For ex - if I enter ping one.com the process will keep running - if I want to stop that process, I can type Ctrl C which if I'm not mistaken, will kill the process completely. If instead, I stop it ...
1
vote
1answer
35 views

Setting Terminal tab names in OS X and using vim

I regularly ssh into a Linux cluster from an OS X (El Capitan) Terminal, sometimes with multiple Terminal tabs. I use bash and vim. I'd like to do the following: while ssh'd, set the Terminal tab ...
1
vote
1answer
49 views

How can I display image clearly in xterm

All of the open source software that I used,only w3m can display image clearly,I want to try to display image in xterm,how can I accomplish it? I tried 'tput' command to change the color of output ...
0
votes
0answers
18 views

Is there a way to switch between layouts in `terminator` while it is open?

In terminator, the only way to use a custom layout seems to be to execute the command terminator -l layout_name in the terminal. But I would like to change the layouts on the go, while terminator ...
2
votes
2answers
29 views

How to get out of opened documents in the terminal?

I use to press CTRL+C, but there are some cases where this key combination doesn't work. E.g. if you open the perl docs: perldoc File::Path The documentation is presented on the terminal and I ...
14
votes
2answers
2k views

Why doesn't the Enter key send EOL?

Unix / Linux EOL is LF, linefeed, ASCII 10, escape sequence \n. Here's a Python snippet to get exactly one keypress: import sys, tty, termios fd = sys.stdin.fileno() old_settings = ...
17
votes
4answers
2k views

How to fix a terminal after a binary file has been dumped inside it?

After having played with curl, a binary file has been dumped inside my terminal. For example, the horizontal lines: ─ I use to format my prompt are replaced by 'q', and it can be much worse. Why ...
3
votes
2answers
118 views

Ctrl-Backspace and Ctrl-Delete in bash

Putting on Debian 8.3 stty werase '^H' or on Arch Linux 2/2016 stty werase '^?' in .bashrc (for example) makes Ctrl-Backspace delete the last word in the terminal. Still it's not the same ...
1
vote
1answer
49 views

What is the most probable cause of terminal freeze / unresponsive keys?

What is the most probable cause of terminal freeze / unresponsive keys? I'm a relatively new Linux user (2 yrs) and am still learning to use the command line. I have used xkill and similar commands to ...
0
votes
1answer
55 views

how to get terminal to show root prompt in su

I am logged into a (normal) user, but when I go su : password my normal promt goes into showing me this instead of what it should. how to I fix this? ターミナル 10:15 AM (~) $ su Password: ...
3
votes
2answers
57 views

Get the terminal emulator name inside the shell script

I have used pstree to find the name of the parent emulator of running shell script using something similar to the following: pstree -s $PPID | awk -F '---' '{print $6}' This works in my current ...
25
votes
2answers
97k views

Sending messages to another user

Is there any command to send messages through the Linux shell to other people on the same network? I'm using write user and then write the message itself. But there's any command that doesn't show my ...