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

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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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29 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 ...
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145 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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41 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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36 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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1answer
60 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 ...
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1answer
70 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
141 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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135 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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45 views

Ubuntu GUI slows to a crawl when doing CPU heavy stuff

For a clients site we have an Ant-build that is highly parallelized. The build consists of multiple GWT modules that are all quite heavy and built in parallel. The build takes about 5 minutes or so. ...
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1answer
78 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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354 views

Booting Windows 7 from GNU GRUB v 1.99~rc1 Command Prompt

I just bought a new HP ProDesk 600 G1 SFF pc today. I booted it up for the first time and Windows 7 booted regularly. I created a user account and logged in. A prompt to backup my hard drive data with ...
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1answer
34 views

xargs process string as multiple arguments

Linux GNU xargs I have the file doit with arg1 arg2 arg3 arg4 arg1 arg2 arg3 arg4 I want to perform command arg1 arg2 arg3 arg4 command arg2 arg2 arg3 arg4 What I can't figure out is how to ...
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2answers
205 views

How to figure out what device (if any) my DVD drive is assigned to in Debian GNU/Linux

I am running stock Debian Jessie and I would like to burn a DVD with xfburn. Problem is that xfburn can't see my DVD drive. e.g. it does not show up under as /dev/scd0 or any other (as far as I can ...
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116 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
69 views

Linux on SUA. Any active projects?

I would like to know whether besides the following attempt http://www.debian-interix.net/ to port the entire set of tools which come with the most popular Linux systems to Windows systems with SUA ...
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1answer
337 views

Windows 7 Ultimate versus Cygwin: POSIX compliance and is it practical to install a GNU system directly on Win 7 Ultimate without Cygwin

What are the advantages or disadvantages of using GNU/Linux utilities on Windows 7 via Cygwin as opposed to making use of Windows 7 Ultimate SUA (Subsystem for UNIX-based applications) support ...
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47 views

Move numbers in a filename to the start

I have several files in a folder, with names in the form: SOMETEXT1 number SOMETEXT2.mp3, or SOMETEXT number.mp3. I want to rename these to number SOMETEXT SOMETEXT2.mp3, or number SOMETEXT.mp3. Using ...
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3answers
175 views

Permanently set `find` regextype

GNU find allows the use of different regex formats via the -regextype option, but as far as I can tell I have to type out -regextype <whatever> every single time which is onerous. If one wants ...
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2answers
252 views

Copy file names to another folder

I need to copy file names from one folder to another. File contents are never changed. No files are overwritten, moved or copied. It's only about file names. I have a folder A with files named: ...
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58 views

Does a successful exit of rsync -acvvv s d guarantee identical directory trees?

I have two volumes, one xfs, and another ntfs - ntfs was empty, and xfs had 10 subitems. I needed to sync them. I initially copied a few of the subitems by dragging them over in a gui fm. Several of ...
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703 views

How to install GNU gettext on windows 7?

I need to install version 0.15 or higher of GNU's gettext. I've downloaded : http://ftp.gnu.org/pub/gnu/gettext/gettext-0.18.3.1.tar.gz from https://www.gnu.org/software/gettext/ However I ...
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1answer
118 views

Create user with partial root permissions

Is there any way to create a user with partial root permissions on a GNU/Linux system? For example: A user who can use the useradd and userdel tools, but nothing else besides regular user ...
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3answers
578 views

linux tar -T - does not work on the fly

I found some problem with linux gnu tar. wheh I use option -T - (for file list from stdin) or -T named_pipe_file , this desn't work on the fly. for example, simple interactive script: while ...
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468 views

What should I make my computer do while I'm away from keyboard? [duplicate]

During the day, usually I'm away from my computer for 3-5 hours. I also sleep 6+ hours every night. I run Arch Linux x64 on my computer. Besides the usual things that do not require user ...
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4answers
391 views

Does 64bit GNU/Linux have better performance?

I had 32bit Ubuntu (with Xfce) and now I switch to 64bit Xubuntu and I'm not sure but I think that 32bit had better performace, but just a feeling. I want to know which one 32 or 64 will give better ...
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3answers
1k 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 ...
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339 views

How can I iterate through possible completions in gnu readline?

In a shell that implements GNU Readline, I can click the key to get a list of possible completions to what I started typing. For example: C:\>cd P<TAB> PerfLogs\ Program Files ...
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478 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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2answers
150 views

Why is sort.exe truncating large output on 32-bit Windows?

We have a data file from a client which is 1,443,777,659 bytes in size. Sorted output has lines missing and is only 1,269,801,985 bytes in size. Sample command: sort -k 1,10 -T . -s -i ...
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2k views

Why does the output of some Linux programs go to neither STDOUT nor STDERR?

Why does the output of some Linux programs go to neither STDOUT nor STDERR? Actually, I want to know how to reliably capture all program output, no matter what 'stream' it uses. The problem I have is ...
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1answer
42 views

Viewing the ASCII codes of piped-in characters

Is there a command that would let me see ASCII values of characters outputted from a program? Say I pipe in a NUL character and a p, could I get a 0 and a 112 out?
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1answer
47 views

What does GNU tar “--restrict” option actually restrict?

The manual of GNU tar only states that --restrict: --restrict disable use of some potentially harmful options Can anyone elaborate on what are these "harmful" options? I could not ...
2
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1answer
132 views

In Debian GNU/HURD, how to switch back to text terminal after I start X?

I've been running Debian GNU/Linux for several years. Recently I gave Hurd a try by running Debian GNU/Hurd on a physical machine. It works fine, and I can get X running without problem. The problem ...
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1answer
88 views

Attach screen on a running terminal

I have a long running process in a (virtual) terminal that unfortunately was not started in a (gnu) screen session. Is there a way to migrate it in a screen session? (obviously, without stopping it) ...
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2answers
3k views

Match regex pattern only in filename.extension

I need to use find to locate a file matching a regex pattern in filename.extension instead of the default, which matches /path/to/filename.extension. For instance: /folder |--a-love-song.ogg ...
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16 views

GNU/GRUB - Misaligned display/screen [duplicate]

I have installed Ubuntu 12.04 with Windows 7 - and upgraded to Ubuntu 12.10 recently - Ubuntu installed the GRUB boot menu. When I first got Ubuntu, I changed the default OS to Windows 7. But now I ...
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1answer
265 views

GNU GRUB - Misaligned display/screen

I have installed Ubuntu 12.04 with Windows 7 - and upgraded to Ubuntu 12.10 recently - Ubuntu installed the GRUB (version 2.00-7ubuntu11) boot menu. When I first got Ubuntu, I changed the default OS ...
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2answers
68 views

chmod symbolic notation: unexpected “=” operation behavior

I am reading The Linux Command Line by William Shotts and I read somewhere in the book a part regarding permissions which says The operation may be a “+” indicating that a permission is to be added, a ...
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2answers
2k views

Are IceWeasel and IceCat just different rebrandings, or are they 'really' different?

As we know, Firefox' branding (name, logo etc.) is non-free copyrighted, so some Linux distributions package (more-)fully-free versions. However, I can't get a straight explanation on Wikipedia (here ...
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2answers
187 views

Can gnu screen prompt for a title when a new window is created?

There are a number of questions about automatically naming screen windows based on what's running in them. But sometimes why you created the window is more important than what you're doing in it. ...
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1answer
119 views

how to download weblinks using wget which do not end with .html?

I want to download this webpage using wget in Win7 : ...
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1answer
168 views

How to download multiple urls using wget using a single command?

I am using following command to download a single webpage with all its images and js using wget in win7: wget -E -H -k -K -p -e robots=off -P /Downloads/ ...
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1answer
268 views

Are there any GNU/Linux distributions which use a stable core and the latest and greatest software? [closed]

With "stable core" I mean the kernel, grub, init system, x server, audio server, et cetera. Basically everything that is essential for the OS to function. Some distributions that I have looked into: ...
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113 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 ...
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1answer
151 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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163 views

GNU find .extension files and -exec, while new .extension files are being made

Here is a problem, can someone please explain or provide some references. I've been trying to read since an hour but can not find the answer. Suppose, I have process1 going on a pool of directories. ...
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2answers
65 views

How to indicate the directory where I am in Linux

Hi I want to know the command to indicate the directory where I am . Suppose I am in home/subho . Now to indicate that directory let's for gnome-open I will write gnome-open ../subho Is there any ...
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1answer
113 views

set sink index in pulseaudio

Is there some configuration option to specify that X device should always grab sink index Y? Much like you can force a specific sound card driver to have a specific card index in alsa? Failing that, ...
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1answer
61 views

How to find mouse binding in Emacs for mouse-5 events?

In Gnu Emacs v23, I'd like to find out what is bound to mouse events like the following: <mouse-5> <double-down-mouse-5> <double-mouse-5> <triple-down-mouse-5> ...