That's afaik not a GNUism: http://www.freebsd.org/cgi/man.cgi?query=chmod [edit:... | Hacker News

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e12e on March 30, 2014 | parent | context | favorite | on: Linux Commands In Structured Order with Detailed R...

That's afaik not a GNUism:

http://www.freebsd.org/cgi/man.cgi?query=chmod

[edit: If I'm reading this right (I seldom have reason to look up Posix things, being generally concerned with concrete implementations) -- it's actuallly a BSDism that's been incorporated into Posix:

http://pubs.opengroup.org/onlinepubs/9699919799/utilities/ch... ]

ecma on March 30, 2014 | [–]

That's correct, +X was adopted from BSD into POSIX.2001. There's a paragraph in §Rationale about it.

thristian on March 30, 2014 | [–]

The first draft of my comment started "GNU chmod, at least,..." but then I wound up with too many comma-delimited clauses and I dropped the qualifier to keep things readable. Thanks for looking up citations. :)

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