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Old 11-14-2014, 09:38 PM   #1
chrstrbrts
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Linux and Unix


Hi,

I don't know if this is in the right place, but I'm new and I'll try posting here.

How does Linux compare to Unix?

I've heard some people say that Linux is derived from Unix.

However, I've heard others say that despite what many people think, that is not true and that Linux is its own OS.

Which is correct?

Also, which would you recommend for someone who wants to move from GUI stuff (like Windows) to CLI stuff?

Thanks.
 
Old 11-14-2014, 09:48 PM   #2
schneidz
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the linux kernel is an open-sourced re-implementation of the unix kernel and shares no source code with at&t sysv unix(multics) -- unlike sun, bsd's, mac-os x, ... which are all based on unix kernels.

and gnu software is an open source rewrite of popular unix programs.

either is good for cli and/or gui development. linux is more popular and perhaps easier to start with ?

Last edited by schneidz; 11-14-2014 at 09:50 PM.
 
Old 11-14-2014, 10:01 PM   #3
frankbell
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schneidz nails it.

Linux was written to Unix specifications, which were public, even though Unix code itself was proprietary, but it was written quite independently. Linux.org has a pretty good brief history of Linux: http://www.linux.org/threads/what-is-linux.4076/
 
Old 11-14-2014, 10:07 PM   #4
haertig
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Quote:
Originally Posted by chrstrbrts View Post
I've heard some people say that Linux is derived from Unix.

However, I've heard others say that despite what many people think, that is not true and that Linux is its own OS.
The code that implements Linux is different than the code that implements Unix. So they are very different INTERNALLY, in how they are implemented.

However, EXTERNALLY, it is often difficult to immediately tell if you are on a Linux box or a Unix box. Most of the commands are the same, or very very similar. The directory structure is much the same (at the high level).
 
Old 11-15-2014, 11:22 AM   #5
DavidMcCann
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You can really say that Linux is the new Unix. If you look at the annual survey of web-server OSs, Linux completely dominates. The same applies in the survey of super-computers.

As for using the CLI, almost all distros (except a few very specialised ones) have the same CLI tools available, so all are suitable. You just start a terminal-emulator program, or press Ctrl-Alt-2 for a virtual terminal (Ctrl-Alt-7 or Ctrl-Alt-1 to get back to the GUI).

To learn about the CLI, try
http://linux.2038bug.com/rute-home.html
which is an old but very easy to follow introduction.

For more advance study there's
http://www.tldp.org/LDP/abs/abs-guide.pdf
 
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Old 11-15-2014, 11:27 AM   #6
chrstrbrts
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Thanks, guys.
 
Old 11-15-2014, 08:22 PM   #7
onebuck
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Member response

Hi,

Welcome to LQ!
Quote:
Originally Posted by chrstrbrts View Post
Hi,

I don't know if this is in the right place, but I'm new and I'll try posting here.

How does Linux compare to Unix?

I've heard some people say that Linux is derived from Unix.

However, I've heard others say that despite what many people think, that is not true and that Linux is its own OS.

Which is correct?

Also, which would you recommend for someone who wants to move from GUI stuff (like Windows) to CLI stuff?

Thanks.
I recommend that you try Slackware, the best UNIX-like Gnu/Linux and Slackware is the oldest active of all stable Gnu/Linux. You can look at Get Slackware Linux for helpful links & information.

I like to recommend the following to new users;
Quote:
Just a few links to aid you to gaining some understanding;


1 Linux Documentation Project
2
Rute Tutorial & Exposition
3
Linux Command Guide
4
Bash Beginners Guide
5
Bash Reference Manual
6
Advanced Bash-Scripting Guide
7
Linux Newbie Admin Guide
8
LinuxSelfHelp
9
Utimate Linux Newbie Guide

The above links and others can be found at '
Slackware-Links'. More than just Slackware® links!
Have fun!
Hope this helps.

Last edited by onebuck; 11-15-2014 at 08:23 PM. Reason: typo
 
1 members found this post helpful.
  


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