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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13
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1answer
150 views

Why does `find . -type f` take longer than `find .`?

It seems like find would have to check whether a given path corresponds to a file or directory anyway in order to recursively walk the contents of directories. Here's some motivation and what I've ...
0
votes
1answer
19 views

How to “export” configuration variables and “source” them on embedded Linux?

A router runs firmware containing BusyBox and in addition to flash memory the device has secondary memory storage. That USB stick is mounted at both /media/Main and /opt: # mount | grep sda /dev/sda1 ...
1
vote
1answer
49 views

egrep doesn't work as expected on SunOS system

Here is what I want to achieve on SunOS: Only pattern like [text_text=text], [text=text], [text] or text are valid patterns, where by text I mean anything in 0-9,a-z,A-Z, space, newline, tab, enter. ...
4
votes
1answer
64 views

Why does Gawk in compatibility mode split records in the same way as when GNU extensions are enabled?

I'm not sure if I found a bug in Gawk or if I'm misreading / missing something in gawk's man page. According to gawk's man page, when in compatibility mode, if RS contains multiple characters, only ...
-6
votes
1answer
76 views

Why does GNU say it is “Not Unix”? [closed]

I use Fedora. Today I found GNU (on the web) about which I didn't know till yesterday. I knew that GNU is a Unix-like operating system that is free software but I didn't get why they say GNU's "Not ...
0
votes
1answer
14 views

How can I tell if GNU GSL is installed?

How can I find out if GNU Scientific Library is installed? OSX 10.11
-8
votes
2answers
132 views

What is the name of an animal used as a logo by the GNU Project? [closed]

What is the name of an animal used as a logo by the GNU Project (gnu.org)? And why was this animal chosen to represent the project?
0
votes
2answers
32 views

Sed incremental arithmetic

I want to replace a number at the end of a string by incrementing the number by one each time I run a specific sed line. the string looks like this: server-port=25555 I was thinking I could run ...
3
votes
1answer
53 views

GNU sort --compress-program compressing only first temporary

I am sorting big files (>100Go), and to reduce time spent on disk writes, I am trying to use GNU sort's --compress-program parameter. (Related: How to sort big files?) However, it appears in certain ...
1
vote
3answers
114 views

rm prompt when deleting unwritable files

This is about GNU rm. The info page says: Otherwise, if a file is unwritable, standard input is a terminal, and the -f or --force option is not given, or the -i or --interactive=always option is ...
0
votes
2answers
68 views

Is Chromium OS a GNU/Linux distro?

I want to ask, if Chromium OS is a GNU/Linux distribution or is it a non-GNU Linux-based operating system like Android, webOS or Syllable Server. Does Chromium OS use GNU C Library, GNU coreutils ...
-1
votes
1answer
30 views

Upgrade GNU parted 3.1 to 3.2

I'm trying to upgrade GNU parted 3.1 to 3.2 and when I try to verify the key it says : # gpg --verify parted-3.2.tar.xz.sig gpg: Signature made Mon 28 Jul 2014 11:20:50 PM EDT using RSA key ID ...
2
votes
3answers
202 views

What are the major contributions of GNU in 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
53 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
20 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
78 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
324 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
vote
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
75 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
32 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
40 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
72 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
45 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
53 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
382 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
38 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
120 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
66 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
161 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
198 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
36 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
816 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
312 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
61 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
215 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
92 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
39 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
63 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
1answer
100 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
300 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
199 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
123 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
219 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
52 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
64 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
191 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
73 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
249 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
192 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 ...