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kabir kCourses Plus Student 18,036 Points
About the rw- permissions for the file owner
As the file owner of the file, hello.txt, why don't I want to be able to execute the file like so:
Or is it because you can't execute or run the file as the owner? If not, why not?
While you would typically want to have maximum control over your files as the owner, Hello.txt is a text file, so there is nothing to execute. However, you do have the maximum needed control, since you have read/write capability, whereas User has read-only capability. If you had something like 'itBlowsUpYourHouse.exe', anyone with permission could run the file, including the owner and user, so you would probably want to carefully manage who gets permission.