this post was submitted on 27 Dec 2023
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you don't need the
!
when you have thew
, because your changes already get saved.If anything it is dangerous as it will still exit even if changes cannot be saved.
Try editing a file in
/etc
as a regular user. It happens sometimes and you really want that warning that the write failed.Anyway,
:x
is superior. It only writes if there are changes. So, your mtime doesn't change unnecessarily.wait people care about the mtime?
I’ve had to do forensics on a rogue change. In finding when and who actually changed the file, mtime can help narrow it down when compared with wtmp.