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SubjectRe: UUIDs (and devfs and major/minor numbers)
> An opinion about /dev :
> In the old system /dev is a collection of "links" from
> filenames to device numbers (major:minor).
> With devfs it could be a collection of links from
> filenames to /devfs/* entries.

By whom/how are permissions handled? Even if it's symlinks, the original
files in /devfs have to carry them (you can't follow symplinks to files you
can't access directly!). And that means the kernel has to know how to set
up permissions for a new device when it appears, and remember the settings
from one boot to the next. Gross. And a kludged initscript that sets them
up on each boot is even worse. As bad as the much-maligned MAKEDEV, but run
_each_ boot, so much more critical.
Dr. Horst H. von Brand
Departamento de Informatica Fono: +56 32 654431
Universidad Tecnica Federico Santa Maria +56 32 654239
Casilla 110-V, Valparaiso, Chile Fax: +56 32 797513

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