GNU Project is a free software, mass collaboration project. The founding goal of the project was, in the words of its initial announcement, to develop "a sufficient body of free software [...] to get along without any software that is not free.

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2answers
98 views

Which major contributions did GNU make to the GNU/Linux OS?

I read in the GNU/Linux FAQ, that one of the reasons they are asking everyone to call the whole system GNU/Linux is: Principal & major contribution of GNU in developing the operating system. ...
1
vote
2answers
44 views

How are GNU documents in PDF formats created?

Some GNU software doesn't offer PDF files for its manual, e.g. http://www.gnu.org/software/findutils/manual/find.html Some does, and their PDF files have bookmarks/outlines, e.g. ...
1
vote
1answer
16 views

jobs / wc: getting wierd return values

I can't make sense of these return values. When I run jobs -s | wc -l, I get different results depending on what directory I'm in. If I'm in the directory that I returned to after suspending the ...
0
votes
1answer
70 views

What can be considered as operating system? [closed]

I am talking about GNU/Linux but not about GNU or Linux! I know that Kernel is the core component in operating system but I want to know what defines the "operating system" (What can be considered as ...
4
votes
1answer
282 views

Why GNU find -execdir command behave differently than BSD find?

On my OSX, I've installed GNU find next to default BSD find via: brew install findutils. As far as I understand, BSD find is following POSIX standards and GNU makes it optional (as per this post), ...
1
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0answers
30 views

Is there a GNU/Linux equivalent to the Mac OS X open command? [duplicate]

In Mac OS X there is a handy open command that opens the target file or directory in the default GUI application meant for it: open /usr/local/share will bring up a Finder window with the ...
4
votes
1answer
70 views

Why does a '.' work in chown?

Why does GNU chown user.group work? The docs say nothing of the syntax being supported. Is there a juicy story behind it?
0
votes
1answer
31 views

Linux based operating system that has isolated software installations like in Android

Is there any linux based operating system for desktop that has software installation in single folder, like it does in Android (except the apps that need android/data or obb folder on external ...
0
votes
1answer
32 views

Permission denied when I try to run a program assembled with the GNU assembler

I was testing the GNU assembler using intermediate code generated by gcc. I don't really understand the GNU assembly syntax at all, though I could learn it at some point. I ran the command as ...
2
votes
1answer
63 views

Why do GNU tools use non-matching ` and ' to quote errors?

GNU tools often output error and warning messages with parts of the line (e.g. filenames, syntax errors, invalid dates, etc) quoted with non-matching quotes: ` and ' e.g. From the GNU coreutils FAQ: ...
0
votes
1answer
41 views

How are GNU system utilities compatible with Linux?

According to GNU Hurd Architecture the GNU operating system was originally designed to be used with the GNU Hurd kernel which is a microkernel architecture. How is it that hobbyists were able to ...
2
votes
0answers
44 views

How to remove a broken installation of glibc

I just attempted to install glibc version 2.19 to my computer as follows: 1) I cloned the glibc git repo with $ cd ~ $ git clone git://sourceware.org/git/glibc.git 2) I checked out version 2.19 ...
4
votes
1answer
231 views

`set -e` and `grep` idiom for preventing premature exit from shell script when pattern not found

Help required - in the context of shell scripting on a GNU/LINUX bash: I always use set -e. Often, I would like to grep and do not always want the script to terminate execution if grep has an exit ...
1
vote
0answers
30 views

What are the major differences between the Darwin/BSD and GNU versions of Findutils?

OS X comes with its own versions of find, locate, and xargs. GNU versions of these utilities are also available as part of GNU Findutils. What are the major differences between the two versions? Is ...
1
vote
1answer
99 views

Why does xargs -I imply -L 1

I've seen Why does 'find -exec cmd {} +' need to end in '{} +'? which explains why {} + has to be at the end of the -exec cmd(*), and now I'd like to know why GNU xargs reverts to one ...
4
votes
1answer
62 views

How to find how many windows are opened in GNU screen?

I am trying to automate my work flow. I have a script that opens individual window in screen for each IP in a list. Imagine setupscreen.sh <IP1> <IP2> .... After all windows are open, each ...
1
vote
0answers
138 views

Error building and compiling GCC 5.2.0 from scratch on Vortex86DX

In order to upgrade a VortexDX86 custom linux with a gcc 3.2.3 compiler, I´m trying to built the GCC 5.2.0 compiler to support the latest C++ 11 standard. I have downloaded its source code from ...
0
votes
1answer
137 views

What are the alternatives to GNU ld?

I was curious if it's possible to build Linux kernel without GNU toolchain (gcc+autotools). I found out that it is possible: after applying patches from llvm.linuxfoundation.org, it was possible to ...
1
vote
0answers
35 views

It is possible to run these in GNU parallel [closed]

I would like to run these: screen watch -n 0 php /usr/share/nginx/html/2siti.php & screen watch -n 0 php /usr/share/nginx/html/2siti.php & screen watch -n 0 php ...
0
votes
2answers
798 views

Where does the word GNU come from?

GNU is a Unix-like operating system. That means it is a collection of many programs: applications, libraries, developer tools, even games. The development of GNU, started in January 1984, is known ...
4
votes
5answers
235 views

Is there a plain GNU/Linux OS?

I'm currently looking at all the different Linux distros and can't seem to find the original GNU/Linux OS. Apparently there is a GNU System which combined the GNU project with the Linux kernel. How do ...
1
vote
0answers
33 views

How can I easily deal with differences between BSD and GNU sed? [duplicate]

BSD and GNU sed have some small differences in what arguments they accept. I just learned that I have to use different command lines when using -i: sed -i '' # BSD sed -i # GNU I solved this ...
0
votes
1answer
51 views

'pkglibexecdir' is not a legitimate directory

I'm following some outdated instructions in an attempt to compile some proprietary, closed-source, unsupported, legacy code. Here is what a typical shell session looks like: $ autoreconf -fi ...
3
votes
3answers
158 views

Regex search for word roots with common prefixes

I recently had a curiosity about words in the dictionary that share both "pro-" and "con-" as a prefix. So, for example, procession/concession, produce/conduce, profess/confess, progress/congress, and ...
1
vote
1answer
77 views

Cross compiling a software module

I'm trying to compile dropbear with the GNU ARM tool chain. I've went through this guide and managed to successfully build all the required tools. They are located in a directory: ...
0
votes
1answer
33 views

Compile freedink couldn't find SDL2

I tried to compile GNU Freedink as described in the BUILD file but when I try to configure it couldn't find SDL2. Log: http://pastebin.com/GYHHa4T0
-1
votes
1answer
60 views

To sed if with and without conditions correct

I know that I may have the C package #include <stdint.h> in the first 1-30 lines. I would like to add it to lines where no previously if the file contains the word LARGE_INTEGER by GNU tools. ...
0
votes
0answers
76 views

Which version of split supports flag -p?

This command does not work in GNU Coreutils split, split of Cern Linux 5 (Redhat) and BSD (Apple Yosemite 10.10.3): split -p'\0' input.txt where input.txt is masi\0hello\0world. Some comments ...
0
votes
1answer
197 views

Launch Win 7 from Grub Terminal?

I a newbie to Linux and tried to install Ubuntu via Win 7 from my SD card where I used a program to mount the is file. I launched the installer from Windows and I asked the program to reboot and it ...
0
votes
1answer
155 views

cp options --no-clobber vs. --update

I want to copy a single file if (and only if) the destination does not exist. The source file changes rarely, maybe once a month. The destination almost never exists. Are there any differences ...
0
votes
1answer
95 views

direct GNU sort to use much memory and many cores

I have a fairly large text file (19Gb, half a billion lines) and a fairly large server on which to sort it (16 cores, 64Gb memory) running Ubuntu 12.04. What is the best way to use the command line ...
4
votes
2answers
175 views

How to prevent automake from overwriting INSTALL?

I'm working on a project that has a custom INSTALL file. Running automake --add-missing (or more precisely, autoreconf -i) will generate the GNU default INSTALL file, and overwrite our file with it. ...
0
votes
1answer
47 views

Where can I use 'beadm'?

I want to use beadm destroy but I don't know where can I type that command... Do I have to type it here or where?
-2
votes
1answer
58 views

How do I get a list of users that are not on the last command? (Not logged in recently)

I need a list of users that I cannot find by using the last command (i.e. they were not logged in recently). Would a temporary file be useful for this?
0
votes
0answers
30 views

GNU screen - prompt position is not at the top in full screen mode (PuTTY)

when I use screen (in combination with PuTTY), the prompt doesn’t jump to the top position of the terminal when switching to full screen mode. When I start screen, the prompt is in the first line as ...
1
vote
1answer
134 views

Will `mv` ever have the ability to create directories?

This question asks for the best way to create a directory when using mv if it doesn't exist. My question is why isn't this an inbuilt feature of mv? Is there some fundamental reason due to which this ...
3
votes
1answer
65 views

Can tar discover the archive format when piping it in via wget?

When I have a tar archive of any format, I can use: tar xf archive.tar.xz tar xf anotherarchive.tar.gz as tar discovers the relevant format by itself. Now I want to download the archives and ...
6
votes
3answers
238 views

What do the “features enabled” in GNU find mean?

When I use find --version with GNU find, I get something like this: find (GNU findutils) 4.5.9 [license text] Features enabled: D_TYPE O_NOFOLLOW(enabled) LEAF_OPTIMISATION FTS(FTS_CWDFD) ...
3
votes
0answers
157 views

What types of regex DO support (e.g.) negative lookbehind?

Bash on GNU: I am using a collection of find commands, most of which employ -regex to do their matching. Each time I try a different feature in my regex I have to cycle through the values for ...
0
votes
1answer
130 views

bash: What is the difference between these two script variants?

(Note: Both of these examples may require GNU or BSD find and may not work as-is with the POSIX "edition" of find). Both of the scriptlets below must be understood as excerpts from way more complex ...
0
votes
1answer
344 views

gtags for cygwin

This might be a silly question, and hopefully it's not off-topic, but I can't figure out where else to ask. Is gtags available for cygwin? I'm using ctags but it'd be nice to have all the extra ...
2
votes
1answer
71 views

Portable wrappers for GNU, BSD, etc. versions of tools

Is there any script that provides a compatibility layer to a subset (a rich subset would be best of course) of BSD and GNU commands? As an example, possible cases handled could include: dd and its ...
0
votes
1answer
142 views

Scripting multi-volume (GNU) `tar` with pre-defined number of volumes

I've wrote me a little script to test (or extract) a very big multi-volume tar archive (note: created with GNU tar), each of which 00x.tar chunk will fit onto a standard DVD: #!/bin/bash d=$(dirname ...
0
votes
0answers
58 views

Why does GNU head/tail read the whole file? [duplicate]

I have a huge file and want to see its beginning and end. However, when I use head and tail, it apparently tries to read the whole file. Since the file is larger than a terabyte, this takes a very ...
0
votes
2answers
106 views

difference between gnu tar and tar package in fedora repositories

man page of tar in fedora (and also man page of tar on die.net) mentions the --acls and --xattrs and --selinux options but they are not mentioned in tar manual in GNU website Why? do this mean ...
-1
votes
2answers
213 views

How similar are Linux and Unix exactly? [duplicate]

I am a computer science minor and I do appreciate *nix a lot more since i started to delve into computer science. I used to be a windows fan boy and now i own two macs (as well as my PC which has ...
2
votes
3answers
202 views

Buffering (named) pipe in GNU OS

In the GNU OS a process can only write data to a pipe if another process reads the same data (from the same pipe) at the same time. Is there something like a pipe which lets the 1st process write and ...
2
votes
1answer
186 views

How to set-up a Gnu/Linux distro for kids? [closed]

I will have to repair a computer, which will be used by kids (9-12 years). This computer had Vista, but I will install a Gnu/Linux distro, for security/pedagogic reasons. I just come here to ask if ...
10
votes
1answer
229 views

Why didn't GNU Info succeed man?

As per my knowledge/understanding both help and man came at the same time or have very little time difference between them. Then GNU Info came in and from what I have seen is much more verbose, much ...
2
votes
1answer
89 views

Where is using @ before a date string for seconds since the epoch documented?

GNU date and touch commands (and presumably others) use @date to define a date string as seconds since the epoch. For example: $ TZ=UTC date -d@10 Thu Jan 1 00:00:10 UTC 1970 I was answering a ...