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Dirty Talk
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this post was submitted on 27 Jun 2025
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Obligatory DO NOT RUN THIS ON YOUR COMPUTER (or anyone else's).
You'd think with fully open permissions, everything would work better, but many programs, including important low level things, interpret it as a sign of system damage and will refuse to operate instead.
If you do run it, you'd better have a backup or something like Timeshift to bail you out, and even if you do have that, it's not worth trying it just to see what will happen.
It's not quite as bad as deleting everything because you can boot from external media and back up non-system files after the fact, but the system will almost certainly not work properly and need to be repaired.
You have been warned.
What exactly does that command do
It sets permissions (
changemodification rights) on all files (-R= recursive, stepping down through directories) in the file system (hence starting at/) so that they can be read, (re)written and executed as programs by all users (the777part).000would be no permissions for anyone (except for therootuser), which would be just as bad.Excellent summary. Just as a bit of trivia I'll add that Linux file permissions go like
r w x(read write execute) =4 2 1, so taken all together a7means the indicated user can do all those operations.And yeah, it breaks your system in surprising ways. Most people would just have to start over.
gives all users on the system read and write access to any and all files and resources