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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2answers
145 views

What are the meanings of different Unix commands? [closed]

I am running Ubuntu 14.04 on my machine. I am new to Linux and feeling lost when I see different command line commands (or what exactly are they called?) like sudo, apt-get, mkdir, -R, -n etc. while ...
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1answer
22 views

Shutting down X via terminal

I found that the whole X won't react to anything but I was able to log to terminal by ctrl+alt+F1. Can I reboot X from the command line without rebooting the whole computer?
2
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1answer
33 views

Can I add mouse support in less?

I've just discovered that I can add the following lines to ~/.vimrc. set mouse=a :vmap <C-C> "+y This has the effect of being able to select text with the mouse (i.e. in visual mode), and ...
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3answers
15k views

Yum update error: Could not retrieve mirrorlist

I'm trying to do yum update. This is the error I'm getting. sudo yum update Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile Could not retrieve mirrorlist ...
3
votes
1answer
26 views

How do I stop screen from clobbering my titles?

I am using bash and GNU screen on centos7. I notice that if I ssh to another server, change the title (via ctrl+a+A), and log out of the server that my new title gets overwritten by USER@HOST:~. How ...
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0answers
24 views

Echoing Backspace Characters in the Terminal

I'm working with picocom running inside gnome-terminal. I have local echo switched on inside picocom using the -e option, and when I backspace I can see that caret moves backwards, however the ...
1
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4answers
969 views

Uninstalling *.run file

I just installed a file called SenchaCmd-4.0.2.67-linux-x64.run by executing the following code: ./SenchaCmd-4.0.2.67-linux-x64.run Due to a problem I describe in detail here, I decided to ...
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2answers
794 views

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 ...
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1answer
11 views

Locating the terminal currently in use

I need to write a script to test if im using the correct terminal and then print a message This is what i have so far if(???? == dev/pts/1) echo Access Granted. Welcome. endif I dont know how to ...
8
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3answers
353 views

How can a Bash script tell how it was run?

I have a Bash script I was trying to make to help me run a rather complex command with small changes that it would ask me about through echo and read. I have found solutions to force it to run a ...
0
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1answer
9 views

:bnext not cycling through all buffers in vim

For some reason :bnext is not cycling though all the buffers shown by :buffers I have 5 buffers open but only 3 buffers are visited when I used :bnext repeatedly. How can I cycle through all the ...
12
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3answers
31k 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
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1answer
104 views

How to update CodeBlocks in Kali Linux?

I installed CodeBlocks on Kali Linux but I got 10.05 version and I want to update it to 13.12, preferably via terminal. Also I would like to know how to update any application this way.
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2answers
145 views

Why can't Emacs running in a terminal distinguish Ctrl+; from “;”?

This question arose from my previous question on emacs beta. In short I want to bind C-; to an Emacs functions in a terminal, but it seems that something captures this key before it reaches Emacs: ...
2
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1answer
30 views

Replay a screen log file incrementally

I have run some commands in gnu screen and used the C-a H command to record the output to a screenlog.0 file. However now I want to view it. There are loads of terminal escape sequences, so just ...
1
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2answers
347 views

use mosh without giving up local scrollback / history?

Is there a way to use mosh without giving up the local scrollback? Basically, in some circumstances, IP-roaming is indeed useful and needed, but the extra terminal emulation and key prediction seems ...
66
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3answers
5k views

Watch YouTube videos in terminal

Like the title says it, I'm looking for a way to watch YouTube videos in terminal (not in a browser or another window, but right there, in any bash session). Is there a simple way to do this? I ...
10
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4answers
25k views

How to write the output of live-f1 into a file

I opened terminal and ran live-f1 which displays live feed in terminal (text) that changes every second. Only "Enter" key can be used while this program is running (it exits that program). So you ...
3
votes
1answer
27 views

Check for missing files in two directories and their respective subdirectories

Folder alpha has one subfolder, and files in both root and in subfolder. Folder beta has 25 subfolders with files in them. How would I compare the file contents of alpha and beta, checking for ...
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2answers
61 views

Why does FreeBSD require terminal programs to be started as root?

On FreeBSD all graphical terminal programs (e.g. xterm, rxvt) seem to be installed setuid root, or with setuid root wrappers. On Linux, this is not the case on any distribution I have ever used. Why ...
0
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1answer
65 views

What is the string “xxx@xxx:~$” in terminal called? [closed]

I don't know or I just forget what is xxx@xxx:~$ called in a terminal terminal? Is there name for it?
5
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1answer
27k views

Linux shell - 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 ...
2
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1answer
827 views

How to get rid of special characters in the output of make [closed]

When I run gcc, it outputs errors but the function names are surrounded by special characters like this ‘setup_connection’: This same is repeated with variable names. I am wondering if the ...
6
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3answers
752 views

Pushdown Terminal Output

Is there a standard way to reverse the output order of a terminal output, ie: ~/Developer $ command0 -bash: comman0: command not found ~/Developer $ command2 -bash: command2: command not found ...
3
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1answer
220 views

Waching YouTube videos in bash sessions, in ASCII mode

I already found how to watch YouTube videos in terminal, in ASCII mode, but my goal is to watch them in a bash session, without opening a different window. So, supposing I already have a tmux ...
2
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1answer
739 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 ...
3
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0answers
59 views

How to change background color of a pane in tmux?

I would like to change the background color of the inactive panes in tmux to better distinguish between the active pane and inactive panes. Something just a few shades different than the default. How ...
0
votes
1answer
49 views

ANSI escapes in Pash prompt are displayed as garbage in Gnome terminal

I would like to use Pash, a PowerShell implementation for mono on my CentOS box. After compilation I started it and got $ mono Source/PashConsole/bin/Debug/Pash.exe ...
14
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2answers
24k views

List all connected SSH sessions?

I just SSH'd into root, and then SSH'd again into root on the same machine. So I have two windows open both SSH'd into root on my remote machine. From the shell, how can I see a list of these two ...
5
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1answer
249 views

combining find with other commands: when to use -exec and when to use pipe? [duplicate]

I've learned to use the find command by itself to find files and directories however when it comes to doing something with the files/folders I'm confused. Given the following command: find . -type f ...
0
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1answer
60 views

xfce4 terminal: disable individual shortcut

I would like to disable the Ctrl+Shift+W shortcut which closes the current terminal tab. I am using Vim where Ctrl+R Ctrl+W moves between windows of the vim instance. Sometimes it may happen that the ...
0
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0answers
68 views

Can call login command from terminal

I want to create a user using useradd from root in my terminal window, after it I call passwd to set user's password. So I cant call login username because when I call it from terminal it closes ...
17
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3answers
9k 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 ...
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3answers
8k views

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

I am curious to know that what is stored in /dev/pts/ files. Can we open these files? According to my knowledge, /dev/pts files are created for ssh or telnet sessions.
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0answers
51 views

How can you (programatically) detect the ANSI escape code supported by terminal?

I am playing around with shell scripts that use ANSI codes and found that for one reason or another different escape codes are supported depending on your terminal/os.. In some cases I get a dump of ...
3
votes
1answer
85 views

Bind Ctrl+Down in Joe on a Linux console

When I want to select a line in joe editor, I can go to the beginning and simply pres CTRL-Down and this will select the line. I can move somewhere ales and copy the line with CTRL-k-c. The key code ...
2
votes
1answer
102 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"] ...
3
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2answers
41 views

Modular $TERM for different terminal emulators

Is there a way to set different $TERM for different terminal emulators. For example if I am in xterm the $TERM will read xterm-256color, in urxvt urxvt-256color, in sakura xterm-256color and in tmux ...
2
votes
1answer
88 views

How to remove specific lines from a file?

I have a file (ip.txt) that contains ip rules /sbin/iptables -A INPUT -p tcp -s 140.237.4.252 -j DROP /sbin/iptables -A INPUT -p tcp -s 143.227.5.22 -j DROP /sbin/iptables -A INPUT -p udp -s ...
3
votes
1answer
149 views

cannot create special file /dev/pts/0

When using midnight commander in console, I cannot "toggle" the window (using CTRL-o Not an xterm or Linux console; the panels cannot be toggled however, my $TERM is set to linux. After some ...
4
votes
2answers
32 views

Long start time of MC due to bash function

I have next bash function to ensure new-lines after commands: user at terra in ~ $ echo "m" m user at terra in ~ $ echo -n "m" m↵ And the function itself in a .bashrc: function prompt_command { ...
2
votes
1answer
77 views

Why doesn't Ctrl+R do anything in Ubuntu's terminal? [closed]

The keystroke Ctrl+R is important to me because it's the redo command in vim. However, it seems to do nothing at all in Ubuntu's terminal. When I press Ctrl+V and then Ctrl+R, nothing is registered at ...
2
votes
1answer
136 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 ...
7
votes
3answers
11k views

How to mount removable media in /media/<LABEL> automatically when inserted, without any desktop environment?

I have a Debian sid system (Wheezy) (and same for arch), without any desktop environment (and no Xorg at all). I can mount my SD-cards, USB sticks, external HDD by label into a specified directory in ...
1
vote
1answer
44 views

exec -t is invalid

I made an rpm that installs a .run file and whenever I run the rpm and the rpm tries to execute the .run file I keep getting the error that exec -t is an invalid option at the following lines of code ...
23
votes
4answers
1k 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 ...
17
votes
2answers
961 views

Are the terminal color escape sequences defined anywhere for bash?

I've used every so often colors in Bash scripting (mostly on CentOS), but to make their usage more convinient I end up redefining variables to color values: local GRAY="\[\033[1;30m\]" local ...
0
votes
1answer
135 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 ...
1
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1answer
39 views

Tmux: how do I bind to C— (control-minus)?

I'd like to bind to control-minus in my .tmux.conf but it doesn't seem to work: bind C-- split-window -v Is this possible?
1
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0answers
42 views

How does a terminal emulator work [duplicate]

I never really understood how a terminal emulator (be it e.g. XTerm or the Linux virtual console) works. What transformations happen to the input (key up/down events) to produce the output (usually ...