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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Possibility to write some words in different color in log file [duplicate]

Is there a possibility to colorize words in a log file? I want to have the word ERROR in my logfile always in red, to see it more easily. I watch it with the tail function: tail -f -n 500 catalina....
4
votes
1answer
102 views

Make screen work like a terminal (scrolling + alternate screen) [duplicate]

I would like to use screen (from GNOME Terminal, via ssh) like I use GNOME Terminal without screen, or as close as possible to that. Specifically: In GNOME Terminal, I can scroll back using the mouse ...
5
votes
4answers
3k views

Getting stdin from a named pipe

What I am trying to do is run python in a terminal window and redirect it's stdin from a named pipe. Then I write to the named pipe in another terminal and have that command execute on python. ...
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1answer
25 views

ClamAV check infected file

I ran clamscan --bell -r / and in the end it returned me Infected files: 1 now is there any way to check which file is infected (i.e. a log file)?
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2answers
4k views

terminal: displaying special characters

In some programs, such as htop the lines and frames are not displayed correctly. Instead, they are displayed as - and /. But on another machine, they are displayed correctly as proper lines: I ...
1
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0answers
28 views

Do light color codes work across all distros and terminals? [duplicate]

I use \033[1;34m for light blue. I am using Debian and Putty and it works for me. However, I've heard that it may not work for all users (using different distros and terminals). Is that true? Do they ...
9
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3answers
678 views

Piping a command through a color filter

Does something like this exist in Unix? $ echo "this should show in red" | red $ echo "this should show in green" | green $ echo "this should show in blue" | blue Here I don't mean for literal ...
2
votes
2answers
2k views

Double line box_drawing characters in terminal

This piece of code in wikipedia: $ char=( 6a 6b 6c 6d 6e 71 74 75 76 77 78 ) $ for i in ${char[*]}; do printf "0x$i \x$i \e(0\x$i\e(B\n"; done includes one-line box-drawing characters. Are there ...
1
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1answer
199 views

How do I get a service on a remote CentOS 7 server to persist after I log out?

I am experimenting with running Spring Boot apps on a remote CentOS 7 web server which has been successfully serving up apps on Apache and a stand-alone tomcat instance since day one. However, when I ...
2
votes
2answers
699 views

Why is yum trying to install the wrong version of node.js?

On a CentOS 7 server, I am trying to install version 5.x of Node.js, but for some reason, yum keeps trying to install version 0.x and returning an error when it cannot find version 0.x at the 5.x ...
0
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2answers
57 views

How do I make the terminal background bright white?

I am using: setterm --foreground blue --background white --blink on The result is that the text is blue on bright white. However, the background around the text is grey. How can I make the entire ...
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2answers
78 views

How can a command in a pipe read from a keyboard? [duplicate]

I randomly tried to execute the following command in bash1 cat /some/file | ssh user@machine 'cat >/destination/file There are no keys installed on the remote machine, so the only way to ...
0
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1answer
27 views

Mess with an export PATH

I have tried to include INTEL PARALLEL COMPOSER to my .bashrc.But something went wrong.Now I can not use gedit or vi editor. milenko@milenko-HP-Compaq-6830s:~$ gedit .bashrc Command 'gedit' is ...
1
vote
2answers
52 views

Command to merge all terminal windows?

Is there a terminal command that merges all open terminal windows into one window with tabs? Been searching all over the place, but have yet to find any solutions.
19
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5answers
19k views

view stdout for another pts [duplicate]

Here is the situation. I left my pc at home doing an rsync from a 2TB hard drive to another 2TB hard drive (it's going to take a while since they are both USB 2.0). I am now at work and I have ssh-ed ...
0
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1answer
61 views

remote osx split panes in ubuntu byobu

My Problem I have OSX 10.10, connect to a byobu in ubuntu 14.04 over ssh. I want to split panes vertically & horizontally. But ctrl+F2 & shift+F2 just gives me beep sound. Additional Info ...
143
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7answers
173k 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?
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vote
2answers
195 views

Where is the Ctrl+/ (^/) bash shortcut for undo defined?

I can not find the mapping in bind -p nor in stty -a. Also, it only works in the terminal emulators I've tried (xterm, konsole, gnome-terminal) and not in the linux system console. I think it's ...
1
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1answer
61 views

How to get `yum list` output to stay on one line when getting output via remote ssh command?

When I SSH to a machine with ssh machine and run yum list it outputs everything that's installed as expected, and importantly every item is on one line like so: xz-devel.i386 ...
6
votes
1answer
7k views

What is the Linux equivalent of the Windows registry?

I have a DVD+-RW drive that has quit working. Apparently many users of this laptop model experience the same problem under windows and are required to edit the registry to correct the problem. So ...
0
votes
1answer
42 views

(ls) command won't show exact size - Weird output [closed]

I am trying to find the size of the files on my hard drive in exact bytes, but whenever the size gets too big the number turns all weird (like 1.98329e+12). Can I stop it from doing this or convert ...
3
votes
2answers
88 views

Why does “head /bin/ls” reset the terminal

If you do something silly like cat /var/log/wtmp your terminal can get messed up as shown in the screenshot. I know there are a number of ways of fixing this. One of the ways not mentioned on that ...
5
votes
3answers
90 views

Is there any objective benefit to escape sequences over tput?

In people's '.*rc' files I see online or in various code, I tend to see a lot of people who manually use ANSI escape sequences instead of using tput. I had the understanding that tput is more ...
0
votes
1answer
26 views

Less quit behavior

I'm not sure how to describe this but I'll try by comparing it to vi. When I open vi, do something, and then exit vi it brings me back to the terminal where I can see all of the commands I had ...
1
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1answer
108 views

Reopen Terminal windows after restarting

In Mac, if I have a few Terminal windows open and I restart the computer or quit Terminal, the windows that were open last are opened again with their working directories and command histories ...
12
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3answers
2k views

What are the characters printed when Alt+Arrow keys are pressed?

When I press AltUp, A printed to terminal screen. Same thing happened when I pressed AltDown but B is printed instead. Other characters that I realized; AltLeft = D and AltRight = C What is the ...
0
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1answer
87 views

Display output from command and save to file [duplicate]

If I wanted to save output to a file from a command like make, I would do: make > out.txt However that stops the output from being displayed on the console window, and only saves to a file. Is ...
3
votes
4answers
103 views

How can I save the output of “echo -e '\e]4;40;?\a'” into a variable, or pipe it?

Inspired by this forum post, I ran this command at a Bash prompt: echo -e '\e]4;40;?\a' Which outputs: # 4;rgb:8b8b/cdcd/0000 But the weird thing is, the output somehow becomes my prompt's next ...
2
votes
2answers
221 views

How can a bash script detect support for window titling escape characters?

I have a debug trap that runs every time I enter a command in bash that sets the window title to indicate what command is running. I'm leaving out all the configuration details and boil it down to: ...
1
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2answers
84 views

Is there a program like tmux or screen but only for attaching or detaching a session

I was wondering if there was a program like GNU/screen or tmux that would allow me to attach or detach a session with a running process but would not provide all of the other features such as windows ...
1
vote
3answers
109 views

How can convert characters into characters that'll produce beep noises?

I'm new to Linux and have recently started working on my very first (very simple) project - a morse code generator. I've been able to get the translation working, and now I want to take the next step. ...
1
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1answer
21 views

Reserve pts range for some users

Is possible to reserve pseudo terminal range ids for some users ? Consider an user which should get preferable (or exclusively) pts id from 500 to 600, other from 0 to 400, and so on.
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2answers
213 views

Problem connecting with Beagleboard through serial?

I'm trying to connect to a BeagleBoard on Ubuntu using a Serial-to-USB adapter. It is currently being recognized as ttyUSB0 on our system. When I run "screen /dev/ttyUSB0 115200" the output just says "...
12
votes
12answers
19k views

How do I run the same linux command in more than one tab/shell simultaneously?

Is there any tool/command in Linux that I can use to run a command in more than one tab simultaneously? I want to run the same command: ./myprog argument1 argument2 simultaneously in more than one ...
-4
votes
2answers
41 views

Create a text file with spaces and sentences stored inside and make a copy of text file

How can I create a text file called ‘example text file’ (with spaces). Write a few sentences to store in this file. Make a copy of file with a different name.
17
votes
9answers
36k views

Best way to use a shell with Cygwin in Windows 7

I installed Cygwin, to be disappointed that bash by default runs within "cmd.exe". I googled around and found Console2. It's not a particularly well-designed application, as doing adjustments is ...
3
votes
2answers
1k views

How can I find the valid values for TERM to use in tmux?

When starting tmux I need to pass a valid terminal type. Since I am scripting the initial startup of tmux I would like to cover all bases by figuring out the valid values of TERM on the current system....
1
vote
1answer
242 views

Strange character overlap in terminal

I'm using bash version 4.3.42(1)-release in an ArchLinux/Gnome environment. When I type my commands some of the written characters gets transformed in some weird ones. Overall, all displayed text ...
37
votes
5answers
45k views

How to scroll in a terminal using keyboard?

How can I scroll in bash using only the keyboard? If it's not possible in bash, are there any other shells that support this?
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1answer
40 views

What is the purpose of this command ls -l> /testA921/file [closed]

What is the purpose of this command ls –l> /testA921/file?
-2
votes
1answer
48 views

Explain, using examples, the purpose of the bin directory is my answer suitable for this question?

I have looked at similar questions which already have answers but still not entirely sure on the answer. In addition I don't won't to copy someone and thats it I want to understand the answer. Here ...
10
votes
3answers
1k views

Are there any linux terminals which can handle all key combinations?

I like to use emacs in terminal mode (-nw), but it seems most (all?) terminals can't handle some key combinations - for example, C-<RET> or C-M-%. I know this is because most terminals emulate a ...
-2
votes
1answer
43 views

How do I check if a user has been created? [closed]

How do I demonstrate that these users have been created and are assigned to their a certain group? Can I do this by the command line or do I have to do it by the GUI (graphical user interface)
0
votes
0answers
25 views

Is my answer correct on what is the difference between ls > list and ls >> list [duplicate]

What is the difference between the commands ls > list and ls >> list? Is my answer correct? As my answer I have put the following. The command ls > list creates a new file named list and ...
2
votes
3answers
1k views

Tmux Terminfo problem with Zsh key bindings

Zsh in Emacs edit mode comes with the default key binding ALT + Backspace to delete a word on the right side of the cursor and ALT + D to delete a word on the left side. I would like to add the latter ...
28
votes
7answers
12k views

Converting colored output into html

There are tools providing coloured output: dwdiff -c File1 File2 # word level diff grep --color=always # we all know this guy ... The question is: How to convert their colored output of arbitrary ...
0
votes
1answer
1k views

Run script from GUI with terminal output

I would like to run a script from the GUI. For example a simple echo "hello" from the right click context menu. In my case I would set up an action in thunar like this: Then it appears in the ...
1
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0answers
24 views

Is there a command to list the users which user or root has created? [duplicate]

Is there a command where which I can input into terminal to list the users which have been created by a user or root? I don't want to use the GUI interface I'm wondering if there is a command.
1
vote
1answer
171 views

Why xfce4 terminal colors are so ugly? [closed]

Hello I have a big problem, I'm trying to install some nice color themes on fish and vim but it looks like that my xfce4-terminal has some ill looking internal colors. I installed gnome-terminal to ...
2
votes
1answer
94 views

How to prevent ELinks from staying in scrollback buffer?

After quitting elinks, the browser page history is lingering in my scrollback buffer, and therefore not returning to whatever was buffered on screen when I launched elinks. Inside a GNU screen with ...