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We make very careful considerations about the interface and operation of the GNU coreutils, but unfortunately due to backwards compatibility reasons, some behaviours or defaults of these utilities can be confusing.
This information will continue to be updated and overlaps somewhat with the coreutils FAQ, with this list focusing on less frequent potential issues.
Good tips and reminders for those who don't work mostly with a CLI (Command Line Interface).
[What has been YOUR biggest CLI gotcha? -Ed.]
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Not recommended for children.
(Score: 0) by Anonymous Coward on Tuesday December 01 2015, @10:42PM
tar never needed the -x or -j or -J options.
(I'm gonna assume you mean -X instead of -x since a tar that can't extract files is pretty useless!)
tar's command line is pretty bad to begin with [xkcd.com]. I prefer pax; too bad most distros don't ship it by default even though it's POSIX.