It is possible to use colors on the Unix command-line interface.

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56
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6answers
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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 ...
3
votes
2answers
387 views

Unix Shell and colours

Can any one please help me understand this code snippet that I found in .profile file echo -en "\e[32;44m $(hostname) \e[m";echo -e "\e[m"
4
votes
1answer
2k views

How do I change my monitor's gamma settings?

How do I change my laptop monitor's gamma settings on Linux Mint 9 (preferably using a GUI interface)?
6
votes
1answer
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Color calibration on Linux Mint

I'm running Linux Mint 9. I installed Argyll and gnome-color-manager but neither of those have a GUI. I need to configure my monitor colors. Right now the white looks a little yellow etc. and I want ...
22
votes
2answers
3k views

Where do my ANSI escape codes go when I pipe to another process? Can I keep them?

I sometime want to pipe the color-coded output fror a process, eg. grep... but when I pipe it to another process, eg. sed, the color codes are lost... Is the some way to keep thes codes intact ? ...
8
votes
3answers
973 views

Can I highlight the current prompt line in zsh?

Is it possible to highlight (set a background colour) for the whole line of the prompt in zsh? In my emacs config I have the line on which the cursor sits a slightly different colour to the window ...
33
votes
4answers
52k views

Why is Debian's root shell colorless?

Are there any security concerns? What is the best way to enable it?
4
votes
3answers
2k views

Overriding the shade of color displayed

I have to work on systems which display some colors that are hard to read. I ssh into these systems, but don't have management permission to change the colors they display. Is there any way I can ...
33
votes
6answers
15k views

How to check if bash can print colors

I want to know if there's any way to check if my program can output terminal output using colors or not. Running commands like less and looking at the output from a program that outputs using colors,...
3
votes
3answers
2k views

How to find out what color I gave to xsetroot?

I used xsetroot -solid "#xxxxxx" to set a background color. I like this color, but did not record the command and it's long gone from the bash shell history. How can I find out what the color was?
9
votes
5answers
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`highlight` command

Is there a command which can be used to easily highlight (with colors, bold text or inverted back-/foreground) specific strings in stdin while passing the entire string to stdout? I'm thinking of ...
154
votes
18answers
88k views

How to have tail -f show colored output

I'd like to be able to tail the output of a server log file that has messages like: INFO SEVERE etc, and if it's SEVERE, show the line in red; if it's INFO, in green. What kind of alias can I ...
27
votes
1answer
15k views

How to make Vim display colors as indicated by color codes?

In short, I'm in an effort to replace less with vim (vimpager). I have settings for scripts to spit out colors (and bold and everything nice) whenever they can. less understands the color codes and ...
7
votes
1answer
3k views

Nested ssh session inside screen has no color

I am attempting to keep a nested ssh session inside of a byobu/screen window, which I also connect to over SSH with Putty on Windows. However the nested SSH session has no color. Here's what I'm ...
8
votes
2answers
2k views

Colored man pages not working on gentoo

I have a problem using these methods to get colors in my man pages in gentoo. I've asked already in the gentoo forums but it still doesn't work, and the comments in a bug report (Bug 184604) don't ...
9
votes
1answer
805 views

Is there any env variable to turn --color (and the like) on for all commands?

I do use aliases to turn on color for some commands by default. But I'm wondering if there's an easier way at telling my system, color is supported, don't make me use --color for grep, ls, etc.
7
votes
2answers
2k views

Can I set my local machine's terminal colors to use those of the machine I ssh into?

I have a color scheme that I like for when I'm in a terminal, but I ssh into the machine I work on from multiple sources (locally, PuTTY, my netbook, etc.) and I want to maintain the same color scheme ...
4
votes
1answer
362 views

Set ls color listings based on regex instead of globbing

Is it possible to set regex patterns for color matching in the LS_COLORS variable? So instead of just *.jpg=38;5;220 Can I do \.(jpg|gif)=38;5;220 That's just an example, I'd like to get more ...
39
votes
5answers
13k views

Program that passes STDIN to STDOUT with color codes stripped?

I have a command that produces output in color, and I would like to pipe it into a file with the color codes stripped out. Is there a command that works like cat except that it strips color codes? I ...
8
votes
2answers
2k views

red-green color blindness compatible vim theme

I am looking for a vim theme accessible to users with red green color blindness. In particular, the red text on a dark terminal background all but disappears. Do any of you know of a good theme? Or ...
4
votes
3answers
3k views

Make terminal text color different when in ssh session

Is there a way to make my terminal (konsole) display different text colors when I'm in an ssh session WITHOUT modifying the remote host's color configuration? Like, maybe automatically switching to a ...
3
votes
1answer
1k views

LS_COLORS settings for specific types of files

I'm trying to set up my color scheme for ls, and I'm having trouble finding information about exactly what parameters I have to work with, or where those come from. And especially setting colors for ...
24
votes
3answers
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CLICOLOR and LS_COLORS in bash

I have the following setup in .bashrc for coloring of listings. export CLICOLOR=1 export LS_COLORS='no=00:fi=00:di=00;34:ln=01;36:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:ex=01;...
9
votes
3answers
3k views

Change the PS1 color based on the background color?

I learned that I can change the format of PS1, especially the color of the string. Then, is it possible to change the color based on the background color of the shell? Or, how can I detect the ...
1
vote
1answer
4k views

How to change background color of side pane of Kate and Kile?

I am trying to customize the color scheme of Kile/Kate. I could do it, except I could not find any way to change the color of the side pane such as files, etc. I prefer dark background, and having ...
6
votes
1answer
1k views

Is it possible to use named colors in Zsh beyond ANSI names?

I know there are ways to use ANSI color names in Zsh (such as red), but Zsh supports 256 colors by number. I'm curious if there's any way to refer to the non-ANSI colors by a name? (Without just ...
7
votes
2answers
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change prompt color depending on user or root in zsh

in zsh you can have a %# in your PS1 (or whatever PROMPT variable) which basically means display % if user or display # if root. I'm wondering if there is any way to affect this so that the % or # ...
103
votes
2answers
73k views

Getting 256 colors to work in tmux

I have 256 colors working just fine in konsole,. I thought I'd give tmux a try because, unlike screen, it seems to support vi mode. However I find that the colors of my prompt show up and this is ...
141
votes
15answers
240k views

Colorizing your terminal and shell environment?

I spend most of my time working in Unix environments and using terminal emulators. I try to use color on the command line, because color makes the output more useful and intuitive. What options exist ...
40
votes
3answers
10k views

Colors in Man Pages

When I look at a man page in my 'console' (not an xterm) I see some coloration, but I don't get this in my xterm's (e.g. konsole) is there any way I can enable this? hopefully a fairly simple solution?...
17
votes
6answers
1k views

How can I highlight matches using GNU grep?

I have seen on some Linux, that grep is configured to highlight the match, and print the matching file. How can I configure grep to highlight matches?
23
votes
4answers
8k views

How can you change the GNU screen status line based on hostname?

I have a shared home directory that is automounted via NFS on all the UNIX servers I log in to. I would like to have a single .screenrc that (for example) puts the hostname in the hardstatus line in a ...