Shell restricted access

[Michal G]

Hi,
I am using Buildroot with Busybox on my system and I would like to
implement some serious restrictions for the users. I have 3~4 more users
and each of them should have an access only to their own folders and couple
of shell scripts. I would use shell scripts to change content of other
files. Nothing more.
Is it possible to achieve this in Buildroot ash? Or what would be the best
approach?
Thank you very much.

BR
Michal Gonda
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