Writing for Business - A Whatis.com Blog » OS’s or OSes http://itknowledgeexchange.techtarget.com/writing-for-business Is your grammar as good as your code? Sat, 18 May 2013 18:30:09 +0000 en-US hourly 1 Which is correct — OSes or OS’s? http://itknowledgeexchange.techtarget.com/writing-for-business/which-is-correct-oses-or-oss/ http://itknowledgeexchange.techtarget.com/writing-for-business/which-is-correct-oses-or-oss/#comments Wed, 27 May 2009 17:02:51 +0000 Ivy Wigmore http://itknowledgeexchange.techtarget.com/writing-for-business/which-is-correct-oses-or-oss/ typing Which is correct?
The criteria for choosing among ____ for mobile devices are complicated.
a. OS’s
b. OSes

Answer: b.
Explanation: Use the usual form for pluralizing a word ending in s, which is to add es.

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