touch Info page says:
If changing both the access and modification times to the current
time, `touch' can change the timestamps for files that the user running
it does not own but has write permission for. Otherwise, the user must
own the files.
Please reword. "Otherwise"=not both access and modification, not
current time, ...??? many unclear possibilities!
Anyway, I want driven home that one cannot protect ones' self from
touch:
$ chmod 444 file
$ touch file
will indeed act like the file was 666.
Mention how one can protect ones' self against ones' self.
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