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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8
votes
3answers
187 views

Clear / erase a mistyped password in a terminal

One thing that annoys me using Linux's terminal is when I have to type a invisble password, like when you run ssh the terminal I was wondering if there's a way to clear/erase the invisible password ...
6
votes
7answers
971 views

Minimalistic terminal music player that can play all my files randomly

I'm looking for a terminal music player. mpg321/mpg123 is quite what I need, but it can't play all my music directory (which contains child directories). cmus seems to be a bit of an overkill, as ...
5
votes
2answers
566 views

Processes do not respond to my signals

I have a strange behavior on my system. When I invoke a command in the shell (bash version 4.2.45(1)-release), say top or cat, the running program (the process) does not respond to Ctrl+C. I even ...
0
votes
1answer
66 views

Different representation of bash in 'ps -f' command [duplicate]

I have two bash running; one is Terminal application that runs bash, the other one is xterm application that runs bash. With ps -f, I have -bash one, and bash at the other. What makes this ...
0
votes
1answer
90 views

Some garbage characters in Linux terminal

My embedded linux app sometimes outputs the text like this: root@variscite /mnt/nfs$ ./test GPIO_IMX6_C: i=1 cannot open GPIO device file /sys/class/gpio/gð½Å¢ ...
2
votes
2answers
116 views

Why does the bell character have a limit?

If I repeatedly execute echo -e "\a" it will only sound on regular intervals rather than every time I execute the command. I've tried shortening the duration using xset but this doesn't seem to ...
0
votes
0answers
38 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", ...
3
votes
1answer
298 views

Saving terminal windows in mint

How can I save all the terminal tabs(with each current pwd in each tab) and terminal window positions.
1
vote
0answers
45 views

Convert command produces a small error [closed]

First off, I'm on a Mac, but I think this can be solved here. I'm converting a .gif animation to a series of .png's using. $ convert ex.gif my_png_files_%d.png I get a series of .png-figures but ...
2
votes
1answer
95 views

Why when I enter the command “hostname” it returns something other than my computers name?

I am using a macBook Pro I enter: new-host-2:~ Justin$ hostname And it returns: new-host-2.home Why is this when it says in setting/sharing my computers name is "Justin's macbook pro" and computers ...
8
votes
5answers
15k views

delete line in vi

How can I delete a line in VI? Here what I am doing right now: Open up the terminal alt + ctrl + t vi a.txt I move my cursor to the line which I wan to delete, then what key-combination is should ...
0
votes
3answers
583 views

Shell script testing through terminal simulation

I am developing a generic bash script which could be executed in different distro. I have only a CentOS virtual machine and I would be interested to test my script on a virtual terminal (online or ...
17
votes
9answers
2k views

How to make sure that a command is not interrupted, even if terminal is closed? [duplicate]

In Linux. Say I want to run a command and it takes too long. I just want to ensure it's done. How?
6
votes
2answers
1k views

Detect if running in a virtual terminal?

I'd like to autologin to tty1 on login and then use vlock to lock it. How can I detect from Bash if the current terminal is a console virtual terminal (e.g. tty1), so that I can put the vlock line ...
2
votes
2answers
1k views

Rename file in Mac OS Terminal using Regex

Hundreds of images need to be renamed with a terminal command using regex on MacOS 10.9 Mavericks. The files are named this way: 0045AW489R3T(IPCAM)_0_20131124101245_931.jpg ...
0
votes
2answers
412 views

How to change background and text colors in Yakuake?

I like Yakuake, but I don't like the grey background color. I want to change the background and text colors of the Yakuake terminal. I checked the options, but the background color option is only ...
0
votes
0answers
25 views

Hotspot on Linux Not Working: Already in use?

I was following my own article, but after having activated the Hotspot as mentioned, I get the following error: Address already in use ...
1
vote
1answer
104 views

Installing Certain PPAs

I'm following my own article: Making a Wireless Hotspot When I put in sudo add-apt-repository ppa:nilarimogard/webupd I get the message Cannot access PPA ...
2
votes
2answers
247 views

Is it correct to set the $TERM variable manually?

I set the $TERM variable adding the line XTerm*termName: xterm-256color to my .Xresources file. When I did it I didn't know what exactly that meant (I was following an online guide to change the look ...
7
votes
1answer
1k views

How can I list the available color names?

I'm trying to add some color to my git configuration and I want to know what color names are available on the terminal. I only want to use colors by name so it's easier for others to understand I ...
-2
votes
1answer
53 views

Need some type of shortcut [closed]

So first thing, I am not good Linux really beyond mildly advanced commands. I need some type of short cut from one fake folder called SD-card to a real folder called system/advt so whenever something ...
9
votes
2answers
886 views

Alt-Left to skip words does not work in terminal emulators

On a Debian Wheezy machine at previous job, I got used to Alt+Left and Alt+Right to skip between words on active command-line (in bash). However, since at home I have upgraded to Jessie (Debian 8.0, ...
1
vote
2answers
81 views

Is there a way to keep an app running after closing the terminal that calls it? [duplicate]

Say I run an app from a terminal, but in some cases I want to close the terminal but hope the app keeps running. Is there anyway to do so in Linux? I just found that when calling an app via "exec ...
3
votes
1answer
48 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.
1
vote
2answers
2k 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
762 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
62 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
89 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
148 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
142 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
vote
1answer
113 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
votes
2answers
1k 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 ...
14
votes
2answers
701 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 ...
1
vote
0answers
579 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 ...
12
votes
2answers
2k 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
12k views
2
votes
1answer
72 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 ...
1
vote
1answer
164 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
254 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 ...
-4
votes
1answer
62 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 ...
2
votes
2answers
8k 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
137 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
1k 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
2k 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
votes
0answers
189 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
105 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
vote
1answer
68 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 ...
1
vote
0answers
435 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
189 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
561 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 ...