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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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 ...
3
votes
1answer
121 views

Common flag designations and standards for shell scripts and functions

I have been adjusting to using GETOPT and GETOPTS in my shell scripts and custom functions to enable me to use the functions that I create more flexibly. After using a number of UNIX functions I have ...
3
votes
1answer
199 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 ...
3
votes
1answer
128 views

Translate GNU ps flags to standard flags

I'm using oh-my-zsh and its ssh-agent plugin on OSX, but lately somebody upstream decided to use ps x. I'm not entirely sure what that even does, since I haven't used a GNU userland in something close ...
3
votes
0answers
191 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 ...
2
votes
2answers
294 views

Has the GNU coreutils stat tool changed?

Has the GNU coreutils (8.6) version of stat changed? After a recent update, some scripts I wrote that call stat are not working as expected; in particular, I had been making use of stat -c %Y ...
2
votes
3answers
199 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. ...
2
votes
5answers
281 views

Can the GNU Project be seen as a distribution of Linux? [closed]

When Linus Torvalds was asked in the documentary Revolution OS whether the name "GNU/Linux" was justified, he replied: Well, I think it's justified, but it's justified if you actually make a ...
2
votes
2answers
265 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 ...
2
votes
1answer
95 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 ...
2
votes
2answers
2k views

How to create a gnu tarball that can be extracted by solaris tar

I am maintaining a legacy cygwin (with GNU tar v1.21) system and a legacy Solaris 9 system. The configuration of the Solaris 9 system is fixed and cannot be upgraded (i.e. I can't install gnu tar for ...
2
votes
1answer
972 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 ...
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: ...
2
votes
1answer
3k views

Ignore Symlinks when Extracting Tarball

I have a relatively simple question that I cannot seem to find the answer for. I am attempting to extract a tarball (*.tgz, to be exact) and receiving terminal errors on extracted symlinks. ...
2
votes
1answer
75 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 ...
2
votes
1answer
308 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 ...
2
votes
3answers
384 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
2answers
112 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, ...
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 ...
2
votes
0answers
166 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 ...
2
votes
1answer
148 views

Where can I find mailfromd RPM's for CentOS 6?

I have been trying to locate an RPM for GNU Mailfromd and it's dependencies and have been quite surprised to find it absolutely nowhere on the 'net. Only place I could find any RPM's were for ...
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 ...
1
vote
2answers
538 views

Difference betwen grep pattern ^$ and ^

I understand that grep matches all the blank lines for the pattern ^$. But what does just ^ means. When I gave grep '^' filename. It matched all the lines. Also grep '' filename matched all the lines ...
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 ...
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 ...
1
vote
1answer
185 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 ...
1
vote
1answer
47 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. ...
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
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: ...
1
vote
2answers
366 views

Richard Stallman compares Linux with Windows [closed]

I'm posting this here, because I really don't know any other place that could answer this. I'm curious about switching to Linux. I'm referring to this video: ...
1
vote
1answer
1k views

How to recover grub after Windows installation

Usually when we install Windows after installing GNU/Linux, we usually lose the Grub. Which is the best way to recover grub when we lost grub or what are the possible different ways.
1
vote
1answer
94 views

Installing install-info

I do not have root privileges in my system and I have noticed that I don't have access to a install-info binary, even though I need to install an Emacs package (CEDET). In the past, whenever I had ...
1
vote
1answer
562 views

How to configure a Frame Relay in Unix/Linux?

I am in a Networking course, the course employs a Cisco packet tracer to practice before the real implementation, but I only use GNU/Linux (Debian Squeeze) and I need to configure a next network ...
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 ...
1
vote
1answer
63 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
154 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 ...
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 ... ...
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 ...
1
vote
0answers
37 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
0answers
160 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 ...
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 ...
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 ...
1
vote
0answers
586 views

Building HDF5 with GCC 4.7 and OpenMPI

I am trying to install hdf5 with GCC 4.7 from binary, because I do not have root permissions, using following script on a machine using CentOS release 5.6(AMD64bit): module purge module unload ...
1
vote
0answers
27 views

What are the numbers after program names in Linux/GNU documentation? [duplicate]

I see numbers in parentheses after program names and it confuses me. For example, perldoc mentions that perl grep is "similar in spirit to, but not the same as, grep(1) and its relatives." What does ...
1
vote
0answers
46 views

How to interpret the explicit references to GNU in the LSB specifications?

The LSB is a specification, and as such, should be provider neutral. But it contains many “hard‑coded” reference to GNU at many places. Ex. the ELF Linux's specific entries PT_GNU_STACK, PT_GNU_RELRO ...
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vote
0answers
113 views

at daemon creates empty tasks

I have problem with atd daemon. If at is called by non-root, it creates task, but it is empty (content of /var/spool/atd). I do not remember what I have done before it broke that way. What else ...
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 ...
0
votes
2answers
814 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 ...
0
votes
4answers
4k views

How to set domain name in Crunchbang GNU/Linux?

How can I set the domain name in GNU/Linux?, I am using Crunchbang and I need to set the domain name for my LAN network. EDIT: Let me talk more about my problem: I need to configure a LAN network for ...
0
votes
2answers
113 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 ...