GNU is a 'nix operating system developed by the GNU project. GNU is normally used with the Linux kernel.

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LANG and LANGUAGE environment variable in Debian based systems

It seems both the LANG and LANGUAGE environment variable are used by some programs to determine their user interface language. What are the exact semantics of these variables and where can I read ...
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1answer
153 views

sed without regex

I am using GNU SED for find and replace functionality on large files(upto 2GB). Find and replace characters can contain any characters, hence I want find and replace parameters to be treated as plain ...
0
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1answer
39 views

Is there a way to set up a warning before executing some commands in the terminal?

There are some terminal commands that are proficient at destroying large swaths of data very efficiently. Like: sudo rm -rf /* or rm -rf /*. I want to set up a warning that will show up, whenever ...
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1answer
1k views

Windows 10 virtual machine disappears in seamless mode in Arch Linux

I have Arch Linux (64-bit) and I installed 32-bit Windows 10 in VirtualBox. Everything seems to work fine—fullscreen, scaled, etc…—except for seamless mode. When I activate seamless mode, the virtual ...
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3answers
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Difference between UnxUtils and GnuWin32?

I am a Windows user who wants programs like grep and sed along with other utilities like ls, cut etc in my command prompt. I came across 2 packages which would accomplish this UnxUtils GnuWin32 I ...
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1answer
26 views

plotutils: `graph` creates empty plots

I'm trying to create simple plots using graph as described in this tutorial. However, even the most basic example: echo 0 0 1 1 2 0 | graph -T png > plot.png produces a perfectly white 570x570 ...
3
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3answers
109 views

Can less wrap lines like fmt does?

Like most people I use less as my terminal pager. Occasionally I view files consisting of very long lines of plain or marked-up text. By default less folds these lines at the terminal window edge. ...
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0answers
16 views

Debian GNU/Hurd on Virtual Machine not working

I am trying to install Debian GNU/Hurd on Virtual Machine on Windows, I tried different .iso, created images, installed step by step however each time I start it stops at this part: start extfs2: ...
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3answers
5k views

Make GNU screen survive reboot

I am using GNU screen a lot. I find it very annoying that everytime the server has to be rebooted I lose all my sessions (even if I know in advance, I need to set-up everything again). I've searched ...
0
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1answer
79 views

How do I set $LESS invocation options in a lesskey file?

I'm trying to use less's lesskey-file support, as described in the manpage: KEY BINDINGS You may define your own less commands by using the program lesskey (1) to create a lesskey file. This ...
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0answers
19 views

GNU Units currency update

GNU Units has a script to update the currency values, units_cur, which is supposed to download currency conversion values. Unfortunately, it tries to download it from ...
7
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5answers
14k views

How to get the actual directory size (out of du)?

How do I get the actual directory size, using UNIX/Linux standard tools? Alternative question: How do I get du to show me the actual directory size (not disk usage)? Since people seem to have ...
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0answers
13 views

Synthesizing progress function with tar script

I use this tar script to backup my files: #!/bin/bash cd /mnt/backupdisk tar -cvpzf "$(date +%m%d%Y).tar.gz" --exclude="~/Documents/Excluded" --exclude-caches-all /home I want to add a progress ...
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2answers
2k views

GNU Octave: How to change base from DEC to BIN?

I need to do many binary calculations of the form: 10.1^(1/11) base 2 10.001^(1/11) base 2 10.0001^(1/11) base 2 10.00001^(1/11) base 2 10.000001^(1/11) base 2 ... where 1/11 base 2 = 1/3 base 10. ...
0
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1answer
25 views

Awk eqivalent to grep -C <num>

I want to print 5 lines of context around each line that matches "foo" but not "foobar". I can do the match easily enough via <output> | awk '/foo/ && !/foobar/' but I can't figure out ...
2
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1answer
773 views

Kali linux 2.0 wlan0

I executed the following command not knowing that it would disable the wireless option from my settings. iw wlan0 del Is there any way to reverse the command? Any help would be really appreciated. ...
2
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1answer
20 views

Why does the behaviour of find(1) differ when explicitly adding -print?

The man page for find(1) says: If the expression contains no actions other than -prune, -print is performed on all files for which the expression is true. However, there seems to be a ...
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1answer
47 views

How can I make this SED command more portable?

I'm using the following sed command: cat version | sed -e 's/[0-9][0-9][0-9][0-9][0-9:M]*-[abp]/Ver\n/' Which normalizes like this: 4330M-p -> Ver<newline> This works fine with GNU ...
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1answer
59 views

Should Complete OS X and iOS Source be Available via GPL? [closed]

I have been familiarizing myself with the GNU General Public License (GPL), and the way I understand the license is that any piece of software that includes open-source software licensed under GPL ...
3
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2answers
782 views

save bash history, regularly

I have bash set up to save history, to a file. It does this whenever bash exits [properly]. As sometimes bash does not exit properly the history is lost. So the question is can I set up bash to save ...
1
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1answer
70 views

In what order does GNU env print environment variables?

When invoked without arguments, the env and printenv commands from the GNU Coreutils print the value of every environment variable. What determines the order in which these variables are printed? ...
5
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4answers
8k views

Best way to get 'linux command line tools' on Windows [closed]

I'd like to download the basic stuff like 'rm -rf'. I used to just download cygwin, but are binutils or some other alternative better (if all I need are the truely basic stuff ... I'm trying to think ...
2
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2answers
237 views

gnu screen not to change my window titles

I set meaningful names to new windows I create in gnu screen, but then when I 'cd' or open vim that name gets changed to 'pwd' for instance. Is there a way to prevent screen from changing the title? I ...
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1answer
28 views

SED/AWK/PERL(GNU userland) - how to substitute pattern A but not pattern B?

First, I am using GNU userland so you can assume I use Bash, GNU coreutils... I have a HTML and I want to change all href="foobarz" into href="" However, I don't want to change any line ...
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0answers
245 views

How do I stop GNU Freetalk from automatically filling in the buddy name?

I'm using GNU Freetalk along with expect in order to send notifications to my phone – Freetalk has a readline interface, and I use expect to make a series of non interactive scripts that send ...
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1answer
252 views

R not reading Rprofile.site at startup

When I start R it’s meant to read from /etc/Rprofile.site first thing. I’ve verified that this isn’t happening but have no idea why or how to fix it. When I source('/etc/Rprofile.site') at startup ...
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2answers
27k views

How to install GNU make in Windows 7?

I am trying to install GNU make-3.82 on Windows 7. I downloaded the make-3.82.tar.gz setup but it does not have any setup file. There is process given on GNU site. But when I reach to the folder in ...
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3answers
640 views

How to do a multiline search in less?

In less, can you search using / for a pattern that contains a carriage return and newline? I know your pattern can end with a line using $ (from How do I include newlines in a search in less?), but I ...
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1answer
985 views

Using Thunderbird, how can one attach from command line a file containing commas (,) in its name?

thunderbird -compose "attachment='$HOME/test test.txt'" works. thunderbird -compose "attachment='$HOME/test, test.txt'" does not work and gives a file does not exist error message. This must be ...
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1answer
24 views

GNU/Linux: fast switching between keyboard layouts

on x server environments i just open a terminal emulator (pressing + typing in x-terminal-emulator and pressing return on most graphical environments/window managers) and tping in setxkbmap us and ...
3
votes
1answer
252 views

Installing GNU mailutils on windows

I'm using Windows 7, and would like to use the GNU mailutils, specifically mu and mu4e. Unfortunately, these are not available as Cygwin packages. Is there any way to use GNU mailutils on windows ...
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1answer
280 views
9
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Does GNU/Linux counts processes and threads together when I limit their number?

I want to limit the number of processes per user on my machine, with /etc/security/limits.conf and the nproc value. I have read here that Linux dosen't distinguish between processes and threads? My ...
8
votes
1answer
11k views

Bash command to cut output after x number of lines

I'm looking for a bash command, which I can use to limit the number of lines of a file or another command output. E.g. ls -thor | limit 10 would limit the output of the ls command to 10 lines (in ...
0
votes
1answer
95 views

gnu `uniq -c`: display counts graphically as bars

With sort $file | uniq -c, it's possible to sum up files/input and show the number occurences like that: 13 foo 1 bar To get a better grasp of this data, I'd like to see them graphically ...
3
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2answers
759 views

When does rm remove open files?

Particularly, I want to know what happens when I rm an open file and don't explicitly kill the process holding the file descriptor to that file. Will the file be removed when the system is shut down?
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2answers
241 views

Cross-platform implementation of GNU tools? (Preferably Java)

I'd like to have GNU tools available on multiple platforms, behaving the same. I know there are ports, like http://gnuwin32.sourceforge.net/, but they are different from what's supported by the linux ...
8
votes
4answers
10k views

find: -exec vs xargs (aka Why does “find | xargs basename” break?)

I was trying to find all files of a certain type spread out in subdirectories, and for my purposes I only needed the filename. I tried stripping out the path component via basename, but it did't work ...
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1answer
290 views

Replacing string in a script using sed

I am new in using sed command and I have an sql which contains "MONYY" and I want to change the "MONYY" in the file by replacing it with the current "MONYY" automatically. I have used the following ...
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0answers
33 views

Octal Dump is taking too long, and is only using 6% of cpu

I am trying to do an Octal Dump on a large binary file (roughly 50 GB) and it is taking much longer then it should. We are running this on a $7000 4-processor Thinkmate with 4 Core-Intel Xeons and 1 ...
0
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1answer
457 views

Is GNU Hurd using the same principles as Minix 3 for self healing?

Minix3 has a reincarnation server that can restart drivers if they crash or end up in a infinitive loop. It can even restart the disk driver by keeping a shadow copy of the same or an older version of ...
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2answers
48 views

find: show directories which contain certain subdirectories

I have a list of directories /u2/tip/coy/inter/fcs/ /u2/tip/coy/inter/fcs/devel /u2/tip/coy/inter/fcs/ecom_flink /u2/tip/coy/inter/fcs/totalstable /u2/tip/coy/inter/fcs/develbi ...
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3answers
3k views

GNU screen: change focus in split windows with mouse

Is there a way to enable proper mouse support in GNU screen so that I can switch the focus between split windows using my mouse? In other words, I'm looking for a mouse-driven alternative to typing ...
3
votes
1answer
299 views

Unix mail command: Sort by newest first

When I use the "mail" command, it prints a list of messages in my inbox in a format like this: 1 Super User Mon Jun 9 17:13 86/4716 Complete Registration With Stack Exchange However I've ...
0
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1answer
229 views

How to install Debian GNU/Linux without Removing Windows or Formating

I want to install debian on my computer, and I already have Windows on it. Is there any way i can install Debian on a partition without removing what's in it or formatting? I can't get past the setup, ...
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2answers
571 views

How to list only ordinary files on UNIX

I'd like to list only ordinary files (not directories or symlinks) using ls from GNU tools. So far I have only some hackish greps. Is there an option or better way of doing that? Edit: I need more ...
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0answers
226 views

Slow hotkey response in GNOME 3.12

I run Arch, and I recently grabbed the 3.12 upgrade for GNOME. I've had F12 bound to terminator for a while, since I often have to summon new terminals. Ever since the upgrade, using a hotkey for a ...
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1answer
101 views

What exactly does Cygwin do?

I understand that it "looks like" Linux by giving me forward slashes and providing a directory structure similar to Linux. I also know that a lot of apps have been ported to Cygwin, but if the source ...
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2answers
2k views

UnxUtils.zip: GNU utilities for Win32 (download link)

Where can I find the latest Gnu utilities for windows to download? The download link in the project homepage is a 403.
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3answers
5k views

Getting information from an armored gpg public key file

When given a file with an armored public GnuPG key, i.e. a file (pubkey.gpg) that was created with: gpg -r 0xDEADBEEF --export --armored > pubkey.gpg What is the best way to get information such ...