A terminal is an environment for text input/output. Inside the terminal, one runs command-line and text mode programs (including shells).

learn more… | top users | synonyms

1
vote
4answers
8k views

How to clean up the RAM memory that is being used as cache memory?

My processor is using a big part of my RAM memory as cache and I want to clean it up because of that; will it prejudice something?
2
votes
1answer
201 views

arrow keys are not working with terminal server telnet (termnetd) session

I am using terminal server package termnetd 3.2, which reads serial port and gives output on telnet port. I logged into terminal server port, every thing works fine except the arrow keys, Home and End ...
1
vote
1answer
85 views

Meaning of entries in /etc/securetty?

I've been given a set of entries to apply to /etc/securetty, what does each of them mean? console tty1cd / tty2 tty3 tty4 tty5 tty6 ttyS0 ttyS1 I'm especially interested in the "tty1cd /" entry. I ...
4
votes
1answer
263 views

Emacs ansi-term and term not working well when I ssh into a remote machine

I have the exact same Emacs configuration on a local and remote machine, and when I run M-x ansi-term or M-x term on each of them individually everything works great. However, if I run any of these ...
8
votes
4answers
6k views

Prevent SSH client passing TERM environment variable to server?

I'm currently using Fedora 18 gnome-terminal, then started tmux multiplexer in it. After I connected to a CentOS 5 server via ssh command, I find: ls result has no color tmux, screen, hexedit, htop ...
2
votes
1answer
162 views

bash not reading $TERMINFO on login (over SSH)

I have a OpenVZ Fedora 20 VPS that when I SSH into, my termcap file stored in $XDG_DATA_HOME/terminfo/x/xterm-termite, isn't being read, despite having TERMINFO=$XDG_DATA_HOME/terminfo set. If I ...
0
votes
1answer
167 views

Search for pattern across multiple files and replace a sub-part in all occurences

I am helping a friend with her thesis written in LaTeX and I need a quick solution for a "search and replace". Using a terminal in Linux, how can I find the following pattern: \caption{*\cite{*}} ...
-1
votes
2answers
121 views

Linux Terminal SSH Username Change

I want to connect via ssh to my Ubuntu server from my Linux PC. Xterm uses my Linux PC username for the login. I've another username on the server. It's not the same name like on my Linux PC. How can ...
0
votes
0answers
32 views

terminal text editor with Windows like hotkeys [duplicate]

As a Windows user (please forgive me) interacting with GNU\Linux through SSH I am looking for a terminal-based text editor that has similar hot keys to most Windows text editors which I have grown ...
35
votes
6answers
4k views

Can I configure my shell to print STDERR and STDOUT in different colors?

I want to set my terminal up so stderr is printed in a different color than stdout; maybe red. This would make it easier to tell the two apart. Is there a way to configure this in .bashrc? If not, is ...
2
votes
1answer
4k views

How to display `top` results sorted by memory usage in real time?

How can I display the top results in my terminal in real time so that the list is sorted by memory usage?
4
votes
1answer
220 views

Presentation Tools Back In The Day

Which tools were around »back in the day« to aid presentation Unix/Linux environments? I just wondered how somebody would accomplish something like slides in a e.g. text-based environment or low-end ...
0
votes
1answer
63 views

Is it possible to `tail -f /dev/vcs`?

I would like to get a continuous stream of output from the virtual terminal. Is that possible? If not, why is tail -f not working here?
11
votes
3answers
1k views

Why is the unit separator (ASCII 31) invisible in terminal output?

The unit separator ASCII character (ASCII 31, octal 37), is visible in Vim as a ^_. But if I print the same file to the terminal, the character is invisible. This causes the fields on a line to get ...
0
votes
0answers
84 views

Schemes for linux tty and xterm

I actually prefer the font and colorscheme used when I'm in a tty terminal. After I start up a window manager, the colorscheme and font are completely different when I'm in xterm -- which is expected. ...
0
votes
2answers
6k views

conio.h file missing error [closed]

I want to execute a .cpp file while contains the #include <conio.h> header file, but while executing I'm getting the following error: "program.cpp:4:20: fatal error: conio.h: No such file or ...
9
votes
5answers
2k views

Displaying week's number in certain format using ncal or cal

Don't you just love it when two commands each do one thing you want but neither do both? This is what cal does. Nice formatting. Lacks week numbers though. $ cal January 2012 Su Mo Tu We ...
0
votes
3answers
164 views

Open a terminal with a login prompt [closed]

I want to open a terminal (xterm, gnome-terminal, tilda, whatever) and have it prompt for a username and password to login as. I thought this would be simple but all my Google results are polluted ...
3
votes
3answers
116 views

stout can not append to large files

I have Ubuntu 13.10. I have a keylogger to help me remember what I did. Running keylogger prints output to the terminal when I run it like this: keylogger I added it to startup like this: ...
4
votes
2answers
192 views

bold text when using 256 colors

I am configuring colors in Mutt, but I think my problem is general to linux terminal. For the 16 predefined colors (such as red) I can make it bold, by specifying brightred However, when using 256 ...
2
votes
2answers
72 views

How to format textutil -excludedelements

I use Geektool on the Mac to display various information on my desktop. One feature of Geektoool is the ability to use shell mode to launch custom scripts or commands. I am not versed in any type of ...
1
vote
3answers
143 views

Remove multiline text with special chars from all files in a folder

I have multi-line text with special characters (i.e. //*(): etc) looking like following in multiple files in a folder that I'm trying to remove. Tried all different solutions using sed and awk but ...
0
votes
1answer
125 views

Backlight powersaving: Working in X11, but backlight does not turn off on virtual terminal. Gentoo, Asus EeePC 1015bx

I'm facing a puzzling issue on my laptop, an Asus EeePC 1015bx, which has an AMD C-60 APU and is running Gentoo. Although the screen powersave functions are working in X11, the backlight does not ...
0
votes
0answers
89 views

Apt-get Command not found for OpenDaylight

I am using OpenDaylight Ubuntu Mininet, when I want to do a sudo apt-get install it tells me Sudo: apt-get: command not found Here is the official code. [mininet@opendaylight ~]\>sudo apt-get ...
2
votes
2answers
327 views

Getting 256 colors to work in terminal multiplexer

tmux I followed Getting 256 colors to work in tmux: I have alias tmux='TERM=xterm-256color tmux' in ~/.bashrc and also set-option -g default-terminal "screen-256color" in ~/.tmux.conf In konsole: ...
1
vote
2answers
329 views

Emacs: Switching automatically to char-mode when switching to an ansi-term window

Say I have multiple windows open in Emacs 24.1 and that one of those windows is an M-x ansi-term window with a shell. By default, when I switch to an ansi-term window, Emacs activates Term: line run, ...
1
vote
1answer
523 views

Terminal, Prompt changed to “-Bash-4.2” and colors lost

Usually my terminal prompt was username place$ now it only shows bash-4.2$ and all the color settings have been lost (on the terminal profile I have the same color scheme, but it just don't show ...
6
votes
2answers
1k views

what will ¬ do in bash?

While wanting to start gitg as backgrounded through writing gitg & I accidentally typed gitg ¬. This did not cause an error, instead I got with a later command in the same terminal (translated): ...
27
votes
5answers
2k views

How does clear command work?

I was recently trying to learn more about how the shell works and was looking at how the clear command works. The executable is located in /usr/bin/clear and it seems to print out a bunch of blank ...
0
votes
0answers
33 views

Convert rgba color value to a Terminal supported color

Randomly I will take the following example: rgba(122, 143, 186, 0.54) How can I convert this color to the closest Terminal supported color?
2
votes
1answer
5k views

What is the command or hotkey for stopping a running program in DrJava?

I installed DrJava about a week ago. Its been working fine so far but I ran into an infinite loop and wanted a way to stop the program from running without having to force DrJava to quit. Is there a ...
0
votes
0answers
21 views

How to bring back `irb` back to teminal screen

I run a program by irb that have rescue and retry statement. Accidentally, I closed the irb running terminal. But process itself is still alive like this. ps ax | grep irb 17749 pts/0 S+ 0:00 ...
4
votes
2answers
1k views

How can I check which terminal definitions are available?

The bulk of the question is in title, but to elaborate a little: On most Linuxes I can find /usr/share/terminfo -type f. But on Solaris machine I have nearby - this directory doesn't even exist. I ...
6
votes
2answers
660 views

Log file visualizer in a Terminal (UNIX) (terminal logging replay)

I need to log in to various servers via ssh, and its a useful thing to log the terminal (even things in smitty menus/AIX and with correct/exact date/time). I already have a solution for this: 0) # ...
1
vote
1answer
87 views

Combining local and remote terminal multiplexing

I use tmux regularly to easily handle multiple terminals on my local machine. Sometimes, I need to connect to a remote machine and start a script in one the terminals (i.e. a pane or window in tmux). ...
0
votes
1answer
126 views

Highlight patterns in command output (grep-like but without excluding lines) [duplicate]

I need a command that colorizes some symbol sequence in output of a certain command. I'd like it like grep make it. $ some-command | grep symbol-sequence However grep removed lines that isn't ...
2
votes
2answers
941 views

How do I increase my iterm (tmux) window scrollback (not the line scrollback)

When I want to scroll back, i.e. with my mouse (or with PageUp) I can only go up about 43 pages (about 2000 lines). Can I increase that? I have my terminal preference -> "Scrollback Lines" set to ...
1
vote
1answer
105 views

Can I enable framebuffer support in xterm [closed]

Can I enable framebuffer support in xterm? If yes, how can I do it? If no, what terminal emulator have a framebuffer support?
-3
votes
1answer
46 views

In what directory can I find the list of terminal commands or the set of scripts that give each one its purpose/power?

Is it hidden or accessible? Also, can you create a new script and define a new command to execute system-wide by adding it to this directory and giving it the same privileges?
0
votes
0answers
33 views

Is it possible to edit the '$' or '#' symbols for users? [duplicate]

What file needs to receive edits in order to make such adjustments?
3
votes
1answer
435 views

Broken history search after upgrade of oh-my-zsh

I did the auto-upgrade of oh-my-zsh a few days ago. Now my filtered history (type a few letters and up arrow) no longer works. I did not realize how dependent I became on it. EDIT: For example, I ...
0
votes
3answers
119 views

Switch user on terminal

I'm switching user using command: sudo su - userName On my terminal I always have: user@user directory $ (some command) But when I switch user I have only : $ (some commands) It is hard to ...
0
votes
1answer
57 views

Having an independent console to kill rogue process?

Sometimes a flash plugin starts using all the mem and CPU or an app is also behaving "naughtily" and my system starts to crawl until i finally get a terminal with htop up and kill the rogue process, ...
0
votes
1answer
146 views

Getting more output from NetCat

Currently I'm using the standard netcat -e /bin/sh to provide a remote shell for other computers to access. The problem is however that this shell is rather terrible, since it has limited output. For ...
1
vote
1answer
119 views

Window title in X shows wrong application name

I am using LXDE environment in Debian, but I think my question is general. When I have a window opened (i.e. terminal emulator running bash) the window has a window title with the text /bin/bash. When ...
2
votes
4answers
206 views

How Can I Change the Default arguments to gcc When I run Make “filename”

Forgive me if I posted this in the wrong Stack. Every time I run make for a file without any Makefiles in the directory, make still works and compiles the source code but only with the arguments: gcc ...
1
vote
2answers
273 views

Supply input to a program with a password prompt

Is there any Linux command which supplies multiple enter keys to another process which is running in a terminal till the other process dies? For example consider the command yes ' ' | ./ssr-sim ...
-2
votes
2answers
399 views

Run command automatically after login?

Another quick question. I have installed f.lux on Ubuntu 12.04, however the program refuses to work unless I run a command xflux -l [longitude] -g [latitute] -k [temperature] So I've created an ...
0
votes
0answers
22 views

Terminal data flows [duplicate]

When you press enter after entering information into the terminal, what path does the terminal take in order to determine what to do with the string? How can I inject a process at the front of that ...
2
votes
0answers
398 views

How to set a background image for urxvt?

How do I set a tiled background image in urxvt? I have tried the following alternatives in my .Xresources file: URxvt*backgroundPixmap: /home/jgg/Pictures/tiles/escheresque_ste.png;style=tiled ...