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Old 05-06-2012, 08:24 AM   #1
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Many files or one file

Hi all

One question bugs me for long time .

The LINUX os contains many many files when on disk .

what happens when it is transformed to the target
micro controller flask memory compiled , what then
will it be still composed of many compiled files or just one file that will do the job ?

Old 05-06-2012, 11:32 AM   #2
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Whatever host architecture Linux runs on, a filesystem is required, and there will be numerous files populating that filesystem. Flash memory, if used by Linux, must be suitably formatted with a partition table and filesystem(s).
--- rod.
Old 05-06-2012, 12:09 PM   #3
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First, could you clarify what kind of application you are talking about? You said "microcontroller", which implies some kind of special-purpose application.

Second, note that "Linux OS" could mean just the kernel + a few utilities, or it could mean a complete desktop system.

Regardless of the application, any computer SW (including an OS) CAN be put into one file---it almost never, however, makes any sense to do so.
Old 05-06-2012, 03:45 PM   #4
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Old 05-06-2012, 11:19 PM   #5
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It is worth noting that if your using nand flash, nor flash, etc, you will typically be writing one or more bootloader images, a kernel image, and a rootfs image (jffs2, yaffs, units, etc). You won't write each file in the file system individually.


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