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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1answer
41 views

How do I generate the sequence “\e[Z” in a terminal?

It is bound to menu-complete in GNU readline. $ bind -p|grep menu "\e[Z": menu-complete # menu-complete-backward (not bound) # old-menu-complete (not bound) I think it's Meta-something.
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2answers
965 views

How to see all commands executed by the current user, in all sessions/screen/byobu terminals?

If there is debian box, some users have access to the root account, some of those users open an ssh connection and start executing commands, some open screen or byobu or other similar tools to execute ...
3
votes
5answers
434 views

What are the special characters to print from a script to move the cursor?

I found that by printing \r from a script the cursor moves to the beginning of the line. What character will move the cursor up one line? Where is a list of these special characters? EDIT: Working ...
1
vote
1answer
37 views

Mysql import the most recent file from a directory

I have a directory with daily backups of my entire MySQL database. I want to import the most recent backup into the database. I know to import a backup I need to use mysql -u root -ppasswordhere ...
0
votes
1answer
82 views

Cancel SSH (after using it to browse) without logging out?

I'm afraid I'm not an expert on Unix and its command line (I'm using a Mac), so do bear with me (possibly an extremely stupid or basic question). I've used the command ssh -D 8080 -f -C -q -N user@IP ...
3
votes
1answer
81 views

Trailing spaces when copying from gnome-terminal using zsh

When copying text from gnome-terminal with zsh trailing whitespace is also copied. For example copying the following clearly adds a vertical scollbar on stackexchange site as trailing whitespace the ...
1
vote
1answer
87 views

Autocompletion and coloring not working, when using ssh in emacs shell

I'm connecting to remote server using emacs shell. Emacs shell displays directory listings with proper coloring and auto completion when working with local machine. But when I use ssh the ...
1
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1answer
87 views

Simulating READLINE_LINE in Bash < 4.0

I am trying to make some of my code bash 3.X compatible and I have a key-binding that utilizes READLINE_LINE inside its callback function. 3.0 versions of Bash don't supply the READLINE_LINE, so I ...
0
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2answers
947 views

$PATH in /etc/profile not inherited by user shell

I have this in /etc/profile in Fedora 17: PATH=$PATH:"/usr/pgsql-9.2/bin" EDITOR="/usr/bin/emacs -nw" PSQL_EDITOR="/usr/bin/emacs" PAGER="/usr/bin/less" export PATH USER LOGNAME MAIL HOSTNAME ...
11
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2answers
509 views

Can the empty spaces/background in a terminal be replaced with a random(but pretty) pattern of ASCII characters?

Context and Question There are many ways to colorize the terminal and shell environment. The output of individual commands, such as ls and grep, can also be colorized. Not directly related but ...
0
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0answers
339 views

Octave - warning: unable to open X11 DISPLAY

My setup is as follows: Octave 3.6.4 Mac OS X Mavericks 2009 Macbook Pro I'm trying to run Octave in Terminal, with gnuplot. I'm trying to plot matrices in a graph, as part of an online Coursera ...
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3answers
3k views

what is stored in /dev/pts files and Can we open those?

I am curious to know that what is stored in /dev/pts/ files . Can we open those files ? According to my knowledge /dev/pts files are created for ssh or telnet session .
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2answers
1k views

How does a Linux terminal work?

If you fire up a terminal and call an executable (assuming one thats line oriented for simplicity) you get a reply to the command from the executable. How does this get printed to you (the user) does ...
12
votes
2answers
10k views

What is the concept behind “tty” in linux?

Where did the terminology "tty" come from in Linux?
2
votes
1answer
55 views

Specify rows/columns of a fullscreen X terminal?

For presentations it would be convenient to have a X terminal which supports following workflow: make it fullscreen specify how many columns/rows should be displayed -> the terminal then ...
5
votes
2answers
258 views

issue with terminal/prompt

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 ...
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votes
2answers
6k views

Shortcut key for scrolling inside a terminal

What is the shortcut key for scrolling inside a terminal? If I hit the Up or Down arrow or PageUp or PageDown, it will only traverse through command history, not let me traverse the previous part ...
1
vote
1answer
74 views

Change terminal type for screen over a serial connection

I am connecting to an embedded Linux board using screen over a serial link and trying to change the terminal type, as the default vt100 is pretty restrictive in terms of colours and scrolling etc. ...
6
votes
4answers
234 views

Prevent terminal from displaying previously executed command

I have a script that allows me to log random thoughts while working on a project. In the terminal I would add a new log entry by running $ @ "some random thought" where @ is just an alias for my ...
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votes
1answer
57 views

Why is learning command line imporatant? [duplicate]

I googled this question many times but could not find a good reason why the knowledge of command line is important.Some say GUI cannot be used always but there are no examples supporting their ...
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2answers
4k views

How can I get better-looking fonts in my terminal (URxvt)?

I've noticed that the fonts in URxvt look a little bit low-res compared to fonts that I see in my browser, for example. I was wondering how could I fix my .Xdefaults file to make the fonts have a ...
3
votes
1answer
78 views

Spawn a new terminal window from the terminal

Is there any terminal command I can execute that will pop open a new terminal window? I need something that will work in OSX' Terminal.app, but it would be nice if there were a way to do this that ...
0
votes
1answer
930 views

What is the .screenrc file for?

What is the .screenrc file for? I have seen it in some dotfiles repos and such but I don't quite understand what it's for. Judging from the name it sets settings for the Terminal itself, not the ...
0
votes
2answers
277 views

How to exit file reading mode in linux terminal?

I appologize if its something really stupid i am asking. But this is my first day on linux commands infact I dotn have linux right now I have just installed CYGWIN for my learning. SO my question is ...
0
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0answers
138 views

What are these strange characters in wifi-menu and alsamixer?

I have a fresh install of Arch. When I run wifi-menu or alsamixer, both of which I think use dialog, the display in the shell is not correct. The border, for example, is drawn with the wrong ...
0
votes
1answer
61 views

In Fedora, how do I turn off the automatic dictionary suggestions?

I just installed Fedora 19 in VirtualBox using an image from virtualboxes.org. It suggests words from a dictionary wherever I type. It's slow and it won't let me type what I want, since it ...
1
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1answer
44 views

Can I increase brightness of text in Arch shell?

I just installed Arch Linux. All I have right now is the shell. The text is very difficult to read on a black background. My eyesight is fine. Can I change the brightness of the text, or can I ...
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0answers
315 views

GConf-WARNING **: Client failed to connect to the D-BUS daemon: Unable to autolaunch when setuid

I am encountering a strange error whenever I run certain commands, for example, sudo apt-get install ______ and I receive the following error: (process:28847): GConf-WARNING **: Client failed to ...
2
votes
1answer
129 views

Garbled text in tmux menus

I am trying to use the st terminal, but after starting tmux (or screen) in a remote ssh session, the text becomes all garbled. Exiting tmux/screen makes text normal again. Now, I have found that this ...
1
vote
1answer
295 views

Echo/Printing text in the color of a given hex code (regardless of Xresources/Xdefaults)

is there any way to echo/print text in the color of a given hex code (#000000, #FFFFFF, etc.) regardless of one's own Xresources/Xdefaults color definitions? Like, if Bob had in his ...
1
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0answers
95 views

Aptitude installing jre

I am trying to install jre on my debian 7 kali box, but I keep getting these faulty errors. I tried installing it through aptitude and it fails at the end. The result is: dpkg: error processing ...
3
votes
4answers
191 views

Show video files with its size

I need all the .mp4 files' dimensions to be printed with the file name. For example: 1_VIDEO.mp4 1204x680
29
votes
1answer
772 views

What happens when Ctrl + Alt + F<Num> is pressed?

I am looking for an explanation of what happens in Linux when this key combination is pressed to change the current terminal. In particular, what software component intercepts this key combination and ...
2
votes
3answers
940 views

Pasting binary data into a Unicode terminal

I need to be able to paste binary data into a terminal. For some reason, every byte outside the ASCII range (0x80-0xff) is pasted as the same three byte sequence 0xef 0xbf 0xbd. For example: $ echo ...
1
vote
1answer
63 views

Capture textual snapshot of pseudo terminal

My question is related to Keyboard and Console, but I want to do it for an arbitrary pseudo terminal, and not just the built-in Linux ones. Also, I'm not interested in a stream, I just want the ...
0
votes
2answers
2k views

Turn off --skip-grant-tables in MySQL

I'm pretty new to using Linux but am setting up my MySQL databases on an Amazon ec2 instance. I followed some directions I found about resetting the user login pass by using the --skip-grant-tables ...
0
votes
2answers
59 views

Accessing Windows Box from Linux Terminal SSH

I am familiar with accessing linux from windows, but how can I go about accessing files on a windows box from a linux terminal via ssh? I'd like to stay away from RDP and just grab files via the ...
1
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2answers
782 views

What command line to use to set up Double Commander's “Run in terminal” feature to use XFCE terminal?

Double Commander has a handy "Run in terminal" feature but it is configured to uses xterm by default. Needless to say many prefer to use their desktop environment native terminal client and so do I. ...
0
votes
1answer
113 views

Why does OpenSSL automatically send me Terminal mail?

I for some reason am getting messages from OpenSSL constantly (not literally constantly, but every hour or so) sent to my Terminal mail box saying: Message 1: Subject: Cron ...
3
votes
4answers
266 views

Do any text-based web browsers support unicode box-drawing characters?

I have some html like this: &#x250c&#x2500&#x2500&#x2500&#x2500&#x2500&#x2500&#x2500&#x2500 ...
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2answers
144 views

Is it possible to control xterm (or specifically a process that xterm has started) from another process?

If I start a process with xterm like this (where omxplayer is the process xterm is starting): xterm -fullscreen -fg black -bg black -e omxplayer -o hdmi -r %f Is it possible for me to write to ...
1
vote
2answers
95 views

Using globbing/wildcards when Opening Files from Terminal

I have a folder A. Inside the folder, there are some files a,b,c,d and there is a subfolder, B, containing files e,f,g. Suppose I want to open files a,b,c,d: then I just type xdg-open *. However, ...
0
votes
2answers
134 views

How to change user name

I somehow changed my prompt (PS1) from [mpatil@localhost ~]$ to bash-4.1$. I also have changed my user mpatil's home directory from /home/mpatil to /home/algo. Now some applications are not working ...
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votes
3answers
143 views

How can I change my username? [duplicate]

My current username is mpatil, how can I change that to algo without losing data or causing problems?
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votes
3answers
164 views

How can I tell echo/printf in Bash to swallow escape codes, based on a condition?

I have a Bash script that is being run interactively and as a cron job. When run interactively it outputs colored text on the terminal. However, when run in cron it doesn't have a terminal and ...
15
votes
1answer
5k views

GNU Screen: new window name change

I can change the name of a window with Ctrl-a Shift-a. Instead of editing several window names by hand, is there a way to have them automatically named after the current directory?
7
votes
3answers
342 views

How does less know the terminal resolution?

Everytime someone set a different size for a virtual console, less recognize window-resolution (I'm assuming that ...); according to that it changes how many lines of text it should visualize. How ...
1
vote
1answer
48 views

Make terminal print name of parent process OSX [closed]

Slightly above n00b, but not by much. I made an alias to search for and display all of the processes associated with a specific user account that seem to auto initiate every time I log in, which are ...
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vote
2answers
568 views

Simple console text editor suited to python

I am looking for a light weight shell editor for Linux that a young child (eg 7-8 year old) can write python scripts in. The motivation is to find something that is helpful for a beginning programmer ...
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vote
3answers
513 views

Open a text file in a terminal and auto-refresh it whenever it is changed

How do I open a text file in a terminal with instant auto-refresh every time it is changed? I've looked at vim with :set autoread, but it requires some elementary input (such as a keypress inside ...