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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2
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2answers
132 views

How to convert several tiff images into xyz coordinates in a single text file using the terminal?

I have limited experience with programming and Linux and I need your help. The situation I am in is that I have a stack of black and white .tiff images (approx. 400 of 10 Mb each one) which I need to ...
0
votes
2answers
42 views

Unclear where bash output is going

I made a small script to output the list of vim plugin remotes to a file, so I could figure out what ones I want to keep or remove. However, when I run it, the output doesn't get piped to the file. ...
1
vote
4answers
7k views

How to execute more than one command in a newly opened terminal?

I have a script that I want to use to open new terminals and type commands in them. A command like gnome-terminal opens a new terminal. Also, if I do gnome-terminal -e myprogram1 it will ...
5
votes
1answer
228 views

Show output on terminal and output to log file, without using tee

I want to run a command, then show the output on the screen as well as output it to a log file, currently I use tee -a, but the problem is tee doesn't preserve colours, and currently I have not been ...
0
votes
0answers
26 views

Terminal Crash after upgrading from centos5.9 to 5.11

I had installed Centos 5.9 in my x86_64 system and I installed update yesterday. Just now after I initiated the system, I found it has been upgraded to centos 5.11. But the bad thing is now I cannot ...
4
votes
1answer
767 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
2answers
267 views

ifconfig command showing internal ip address

I'm using centOS 6.3 on virtualbox as guest OS on Win 7 host. My problem is when I use ifconfig command in terminal, I'm being thrown internal IP address(10.x.x.x). However, when I googled "my IP ...
1
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2answers
160 views

Change terminal text color for next command only

So when I find myself compiling a lot (from the terminal) I find it difficult to distinguish between the current compilation results and the old ones, so I was wondering if there is a bit of text that ...
2
votes
1answer
69 views

How to programmatically check if the terminal supports italics?

I'd like to check if the current terminal is able to display italics correctly. Checking that manually is easy: echo -e "\e[3mfoo\e[23m" If the output is foo, the terminal (-emulator) supports ...
0
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0answers
24 views

How can I configure /etc/kmscon/kmscon.conf to use multiple layouts

I want to configure kmscon to use two layouts. Now my /etc/kmscon/kmscon.conf looks like this: xkb-layout=us,ru xkb-options=grp:alt_shift_toggle font-name=Liberation Mono font-size=12 but it's not ...
31
votes
3answers
12k views

Terminal prompt not wrapping correctly

I have an issue where if I type in very long commands in bash the terminal will not render what I'm typing correctly. I'd expect that if I had a command like the following: username@someserver ...
1
vote
2answers
104 views

Find OS X terminal key combination/escape sequence for Ctrl-'

One of my Emacs keybindings is C-', which works well in GUI. In terminal however, it is not being recognised. I understand that I need to figure out the actual characters sent to the terminal by C-' ...
5
votes
3answers
649 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?
6
votes
2answers
2k 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 ...
0
votes
1answer
140 views

How are virtual consoles related to traditional computer terminals?

This is extracted (with some rewording) from Computer terminal and virtual console, which has been closed with a hatnote linking to What is the exact difference between a 'terminal', a ...
0
votes
1answer
60 views

Searching a keyword in a pdf file [duplicate]

I want to search for a specific keyword in a pdf file using linux shell. How I will use the grep command to do that?
1
vote
1answer
86 views

Terminal emulator for Debian XFCE that will accept $TERM=linux, just like login console tty uses?

I recently discovered that if I log in to my Debian system without lightDM, just using the commandline prompt, and then instead of typing "startx" straight away actually use the commandline, the ...
1
vote
1answer
34 views

Read from the terminal from a disowned background process

Do we still have a possibility to read input from keyboard even if the application is running in background (disowned)?
1
vote
1answer
302 views

Connect to an Ubuntu VM from a terminal on the host machine

I'm running an instance of Ubuntu Server 14.04 inside VirtualBox, and for multiple reasons, I prefer to work with it using the terminal emulator on the host system (OS X 10.0) than with the default ...
2
votes
1answer
120 views

How to use ESC sequences to make terminal region scrollable

I have a stm32f1 controlled device that uses USART/USB port to implement a user control interface. Using a standard terminal software (putty/minicom) a user has an ability to enter simple command in ...
3
votes
2answers
513 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 ...
34
votes
4answers
5k views

What are the responsibilities of each Pseudo-Terminal (PTY) component (software, master side, slave side)?

I am trying to figure out how a tty works1 (the work-flow and responsibilities of each elements). I have read several interesting articles about it, but there are still some blurry areas. This is ...
6
votes
1answer
384 views

Difference between closing the terminal using the closing button, and Ctrl-D

When I'm launching a background process and then closes the terminal using the window's closing button, the background process gets killed. However if I close the terminal using Ctrl+D, the background ...
4
votes
4answers
551 views

Prevent tail from modifying the charset of the terminal

In a Linux terminal (CentOS) I am using the command tail --follow=name my-rolling-file.log in order to see the logs of my application. Sometimes in the log there is some binary data dumped (I dump ...
-1
votes
2answers
131 views

How to lists all users who logged in on a specific day using grep and last

Hey I'm new to Linux and I'm using Ubuntu right now. However I need to answer this question: Write a command or sequence of commands that lists all users who logged in on a monday by using last and ...
1
vote
1answer
95 views

How to know if output is being redirected to a file? [duplicate]

I am working on displaying output like ls command (just ls, no options). And I have a working program using the system calls. But I experienced a strange behavior while testing as shown below. $ ls ...
6
votes
3answers
262 views

Are unix[-like] programs capable of determing where their output is going? [duplicate]

Up until recently I was under the impression that Unix-y programs were unaware of where their output went, be it to standard out, redirected to a file, or into a pipe. However, an unrelated U&L ...
-3
votes
2answers
54 views

how can I delete the remnants of windows from a new CentOS 7 server?

I recently installed CentOS 7 on a new computer that came shipped with Windows 8.1. The BIOS no longer shows windows as a boot option. But my initial analysis of the file system is hard to ...
5
votes
1answer
354 views

How to have type-ahead apply to bash history search (Ctrl-R)?

Context Typeahead in bash: good When a bash shell is busy (initializing, running a command), one can type before the next prompt appears. If the shell has launched a program, that program will ...
4
votes
1answer
106 views

Why do the terminal attributes look different from outside the terminal?

If I open up a terminal (xfce4-terminal 0.6.3, but I doubt it matters) and I look at what terminal attributes are set (BASH is running in the terminal), $ stty -a speed 38400 baud; rows 24; columns ...
3
votes
1answer
845 views

How to log out as root user in command prompt after creating non-root user

obviously I am extremely new to Linux, but I'm glad to finally be here...trying to kick windows is tough in some cases ;-) Anyway, I'm trying to follow the following tutorial @ ...
1
vote
0answers
79 views

How can I stop qterminal from cutting the top half off every line?

I'm running Arch Linux, and using LXQT. I've just installed qterminal. At the moment, it looks like this: The top half of every line is cut off. I can fix this by increasing the font size, but ...
16
votes
2answers
1k views

What does CTRL+4 (and CTRL+\) do in bash?

I just found out by accident that CTRL + 4 closes programs reading stdin input from the command-line. This is how it looks when I type CTRL + 4 or CTRL + / into programs reading stdin ryvnf:~$ ...
2
votes
1answer
55 views

Where to find the downloaded file after dragging a FTP URL to the terminal?

Usually, when I drag a link to the terminal, the link target is pasted in the terminal. However, when I just dragged a FTP link from Chromium to my Terminal (first result on Google for "ftp pdf", ...
1
vote
2answers
98 views

Kerning problem when using a variable width font in Debian terminal

In my Debian Linux terminal some fonts looks like this. But any text editor (i.e leafpad) shows this font correctly. What is the problem?
0
votes
1answer
68 views

Serial devices?

Is it possible to do some echo on /dev/ttyS8 serial device in one terminal window, and in second to cat /dev/ttyS8 and display data from that file?
0
votes
0answers
35 views

Debian Jessie - Terminal not resizing for non-admin user

I've deployed a Debian 8 instance on ec2 using the "official" AMI listed for my region on the debian site. I logged into the default admin account and created another user before logging in as them. ...
0
votes
0answers
26 views

send bootup script output to virtual terminal

I have a script that I symlink in as /etc/rc.d/rc3.d/S30initialize which basically makes it get called when entering runlevel 3. I want for the output of this script to appear on the virtual ...
4
votes
5answers
1k views

Multiple terminals at once without an X server

There is a way to visualize multiple terminals at the same time without running a Xorg session ? I have a really low profile machine that could be great for some basic stuff but has an horrible ...
1
vote
1answer
156 views

How to make boot output verbose?

I use to enjoy watching my red hat then debian then ubuntu machine boot, the boot process was not hidden from my view, now it is, in most of all distros, now, I know I can somehow connect a terminal ...
1
vote
1answer
65 views

How to suppress exit code of finished background jobs

Is there a way to hide the exit code of the background jobs that have finished? For example, if I run: sleep 5& After the 5s, if I hit return the terminal gives me: [1]+ Done ...
1
vote
2answers
830 views

error when adding user to wheel group in CentOS 7

I am trying to grant sudo privileges to a user of a CentOS 7 devbox by typing gpasswd -a user wheel, but the attempt is failing. What am I doing wrong? Here is what I typed: I discovered that ...
17
votes
3answers
381 views

What is the name of this terminal window graphical trick, which shows accented edges around highlighted text?

I've noticed a few screenshots of terminal windows online which show thin highlighted edges around status bars or highlighted lines. In the following example, note the light grey edging around lines ...
0
votes
0answers
181 views

Can't open steam application after installing SteamOS 2.0 (Brewmaster)

I was trying to install SteamOS Brewmaster update July 2015. Comes an error that I can't open the terminal, but I can fix it with reconfigure language from Ctrl+Alt+F2 or other. But the other problem ...
4
votes
2answers
251 views

Where is the `$TERM` environmental variable set in Debian Jessie for console logins?

I have read a lot of articles and SE questions regarding how and where the default $TERM environmental variable gets set. Unfortunately in Debian 8.1 I can't seem to find where the default $TERM ...
0
votes
1answer
129 views

Running script through bashrc causes nesting of tmux panes

I use the following tmux code in a script file tmux-dev.sh and add it to bash using bash /home/rohit/tmux-dev.sh : tmux new-session -d tmux split-window -h tmux split-window -v tmux -2 attach-session ...
2
votes
2answers
196 views

open(1) in rifle.conf for ranger on OS X

ranger ~/.config/ranger/rifle.conf For simplicity What one line – in the rifle configuration file – could cause open(1) to be used for all types of file? Background ...
1
vote
2answers
114 views

Execute command inside another command

I'm trying to record my tmux session. I've got an alias record-session which executes command from ttygif ttyrec ~/ttygif/files/last-session. As far as I understand ttygif starts new terminal instance ...
0
votes
2answers
307 views

How to install PyX correctly for Scappy use? [closed]

When I try to run Scappy interactive shell I am faced with this: INFO: Can't import PyX. Won't be able to use psdump() or pdfdump() (The shell is working but of course I can not use the above ^ :( ...
2
votes
1answer
193 views

No colour in MOTD

I recently bought a Raspberry Pi, and have started playing around with it. After changing my MOTD, (to include colours), the colour codes are coming up as raw-text instead of executing. I am ...