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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11
votes
2answers
4k views

What's the difference between “dir” and “ls”?

I have compared the man pages of dir and ls and they seem to be exactly the same. Both are part of GNU coreutils and "list directory contents". The only difference I've seen so far is that dir ...
0
votes
1answer
63 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I'm following some outdated instructions in an attempt to compile some proprietary, closed-source, unsupported, legacy code.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 ...
8
votes
4answers
3k views

GNU/Hurd vs. GNU/Linux

I was quite surprised to learn that the GNU project has an independent kernel of their own called Hurd. And there are mainstream distributions like Arch Hurd and Debian GNU/Hurd which uses it. Is ...
15
votes
2answers
980 views

Is it possible to run pure GNU?

On the GNU Project webpage, there's a subsection called "All GNU packages" which lists the various software in the GNU project. Are there any GNU distributions which use only these packages -- i.e. a ...
0
votes
1answer
41 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
vote
1answer
98 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: ...
2
votes
1answer
1k views

Does Android break GPL? [closed]

Just got curious. If Android is based on a modified Linux Kernel and its source code is closed, doesn't it violate the terms of GPL2, that GPL-derivatives must also supply their source code, "Liberty ...
-1
votes
1answer
64 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. ...
3
votes
5answers
683 views

What makes a distribution GNU and are there Linux distributions, that are not GNU? [duplicate]

So GNU/Linux is an operation system, consisting of several programs at a minimum: Linux kenel, gcc, gnu-binutils, Gnome desktop, etc. What makes a Linux distribution GNU? Is it the tools, with which ...
102
votes
5answers
18k views

Why isn't Linux embraced as the official GNU kernel?

While I knew for quite some time the existence of Hurd, and its mission as the official GNU Operating System kernel, I was wondering how come Linux is not embraced as the official GNU kernel over the ...
1
vote
1answer
1k views

Wifi AP with ASUS USB-N10

I am trying to configure wifi AP with subj device. According documentation in web, it requires master mode hardware support and hostapd software. It seems I have master mode: # iwconfig ... ...
2
votes
2answers
115 views

Why gnustep-config outputs nothing for any parameter?

Regardless of what I run: gnustep-config --debug-flags gnustep-config --objc-flags gnustep-config --base-libs It outputs nothing. How would I debug this? PS: the OS details: Ubuntu 12.04.2 LTS, ...
0
votes
1answer
327 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 ...
4
votes
2answers
5k views

Why doesn't tar ask before overwriting existing files?

I lost a couple hundred lines of a Vim plugin I wrote and continue back up every so often because I extracted a tar file containing an older version. I decided not to use source control management ...
0
votes
1answer
128 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 ...
0
votes
1answer
205 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
57 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?
4
votes
2answers
230 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. ...
-2
votes
1answer
67 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?
1
vote
1answer
273 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
74 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 ...
4
votes
1answer
2k views

Install only a few GNU coreutils?

Is there a way to build and install only a few of the GNU coreutils? The README in coreutils-8.19.tar.xz lists 100-odd, but the INSTALL doesn't say how to install only a few, and the Makefile is (to ...
6
votes
3answers
251 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) ...
36
votes
4answers
4k views

What is GNU Info for?

I understand what GNU Info is and how to use it, but what is it for? Why does it exist in parallel to the man pages? Why not write detailed man pages rather than provide a separate utility?
3
votes
0answers
202 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 ...
8
votes
2answers
2k views

How is the order in which tar works on files determined?

$ touch dir/{{1..8},{a..p}} $ tar cJvf file.tar.xz dir/ dir/ dir/o dir/k dir/b dir/3 dir/1 dir/i dir/7 dir/4 dir/e dir/a dir/g dir/2 dir/d dir/5 dir/8 dir/c dir/n dir/f dir/h dir/6 dir/l dir/m dir/j ...
0
votes
1answer
144 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 ...
2
votes
3answers
451 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
78 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
153 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
64 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
116 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 ...
24
votes
4answers
15k views

What are the differences between bsdtar and GNU tar?

I've always used GNU tar. However, all GNU/Linux distributions that I've seen ship bsdtar in their repositories. I've even seen it installed by default in some, IIRC. I know for sure that Arch ...
-1
votes
2answers
249 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 ...
3
votes
1answer
203 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
261 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
99 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 ...
0
votes
0answers
296 views

GNU Guix usb-install freezes at GRUB after boot

I wanted to try out the GNU usb install that was released with Guix 0.7. The problem is that when I try to boot from the USB, it freezes, with the word GRUB and a flashing type line. I followed the ...
1
vote
2answers
6k views

What is the difference between Unix, Linux, BSD and GNU? [closed]

What is the very fundamental difference between Unix, Linux, BSD and GNU? Unix was the earliest OS, so the term 'Unix like' is understandable, since they have kernel, file system structure, most of ...
2
votes
2answers
266 views

Is the GNU Coreutils copied from Unix?

Linux itself is not a copy of Unix because one can argue it simply conforms to the POSIX standard. However, how about the GNU Coreutils which contains utilities like ls, cd and rm, etc...? Is there ...
28
votes
1answer
3k views

When and how was the double-dash (--) introduced as an end of options delimiter in Unix/Linux?

I don't think the shell/utilities in historical Unix nor in something as "recent" as 4.4BSD supported using a double-dash(or two consecutive hyphens) as an end of options delimiter. With FreeBSD, you ...
3
votes
2answers
2k views

What is the relationship between GNU and GNOME?

Is there any relation between GNU and GNOME? And further related license GPL?
2
votes
0answers
170 views

Corrupt files after extracting with Cygwin's GNU tar

I have a bunch of tarball backups which I just restored onto my new Windows 8.1 + Cygwin system using GNU tar: zsh$ for file in **/*.tgz; do tar xvzf $file; done To my surprise a lot of these ...
1
vote
1answer
99 views

`sort` disregards question mark [duplicate]

I need to sort a file based on names in the first column. Some of the names end in a question mark. sort persistently ignores this question mark during sorting: sort -k 1 -t , <<TEST a?,1 a,2 ...
3
votes
2answers
630 views

Merging /usr/bin and /usr/sbin into /bin (GNU/Linux)

I've read quite a number of discussions about people wanting to merge /bin and /sbin into /usr/bin. The same cannot be said for doing it the other way around. Is there any technical reason why one ...
7
votes
3answers
293 views

In shell config scripts, how can I account for differences between coreutils on BSD compared to GNU?

Up until this month, my shell configs have been pretty simple (just a .bashrc or .bash_profile with some aliases mainly), but I have been refactoring it so I can get different behavior depending on ...
1
vote
1answer
64 views

Building GNU part of GNU/Linux [closed]

I have successfully built the Linux Kernel 3.13.6 and ran it in QEMU. Since it is just the kernel, it will eventually complain that it cannot find init or sh, etc. Therefore, it is necessary to ...
1
vote
3answers
164 views

My grep (GNU grep) 2.5.1 does not obey backslash character and special expression

I'm trying to follow a section in The GNU Grep Manual but my expression isn't working. Is it my grep version? Red Hat 5.5. $ rm file $ echo 'hello world' > file $ grep 'hello world' file hello ...
30
votes
3answers
2k views

What is the `[` program that resides in my system's /bin?

I was recently browsing my Fedora's /bin folder and noticed a binary named [. I did try to search the internet for more information on that, but I couldn't find anything useful. Running it through ...
2
votes
1answer
329 views

less command runs out of memory

When searching for string (no regex etc.) in large file less filename and less -b 1 filename quits or prints it cannot allocate memory. top shows less using roughly about 5% of memory before it dies ...