Embedded Linux vs uClinux and LinuxFromScratch

satimis · 07-31-2004, 11:33 AM

Hi folks,

What will be the difference amongst 'Embedded Linux' 'uClinux' and 'LinuxFromScratch'? What will be their major application?

TIA

B.R.
satimis

win32sux · 07-31-2004, 12:11 PM

"embedded linux" refers to any linux designed to run on embedded devices...

"uclinux" is a kernel based on linux 2.0 "intended for microcontrollers without Memory Management Units (MMUs)"...

"linux from scratch" is nothing but a guide on how to make your own linux distribution from source...

satimis · 08-02-2004, 12:14 AM

Hi win32sux,

Tks for your advice.

If a folk experienced on LFS can he create his own embedded Linux/uClinux.

Where are the URLs of the forums actively discussing them other than the official sites of their distro.

Google search brought following sites
http://www.linuxdevices.com/index.html
http://www.esacademy.com/software/f...i=922&t=922
http://www.linuxlinks.com/Embedded/

Are there any more to add

TIA

B.R.
satimis

win32sux · 08-02-2004, 05:36 AM

yes, you can make your own embedded linux from scratch... no problem...

Quote:

Another benefit of LFS is that you can create a very compact Linux system. When you install a regular distribution, you end up installing a lot of programs you probably would never use. They're just sitting there taking up (precious) disk space. It's not hard to get an LFS system installed under 100 MB. Does that still sound like a lot? A few of us have been working on creating a very small embedded LFS system. We installed a system that was just enough to run the Apache web server; total disk space usage was aproximately 8 MB. With further stripping, that can be brought down to 5 MB or less. Try that with a regular distribution.

http://www.linuxfromscratch.org/lfs/whatislfs.html

here's a nice paper on embedded linux:

http://www-106.ibm.com/developerwork...ry/l-embl.html

here's some forums:

http://www.ucdot.org/

http://www.celinuxforum.org/

satimis · 08-02-2004, 07:28 AM

Hi win32sux,

Tks for your advice and URL.

I have been planning to start learning LFS for sometimes. Because of other projects my plan as aforesaid has been delayed.

I share your opinion that the target of Embedded Linux is reducing the size of OS which copes with the aim of LFS. On account of my inexperience on these 2 distro I started to post seeking advices from folks in these fields. Are their kernel, lib, compilers, etc. the same.

One thing I could not resolve if we install LFS on a device with limited storage space where shall we provide it space to work/store data in the absence of HD/storage_device.

My main interest in learning LFS is to create an OS capable to burn on microcontrollers. However my first target will be creating a LFS for palms. Is there Linux for palms already available, OR just applying Embedded Linux on it?

TIA

satimis

win32sux · 08-02-2004, 07:57 AM

i'm also very interested in learning LFS... i don't know much about it right now, sorry...

i'd love to answer your LFS questions, but i really think it's better if you start some threads in the LFS section:

http://www.linuxquestions.org/questi...?s=&forumid=13

i'm sure there's plenty of LFS folks in there with plenty of answers...

=)

satimis · 08-02-2004, 10:45 AM

Hi win32sux,

Noted with thanks

B.R.
satimis