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Old 22nd October 2009, 12:53
till till is offline
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This depends on the permissions of the file and not just the owner. If you run:

chwon root:root myfile.sh
chmod 700 myfile.sh

then nobody except of the root user itself can modify or delete it.

But if a file has permissions for another group or even others to modify or run it, the members of the group or others can use or edit the file. Thats theway the linux permission system works.
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