From: unknown Date: Wed, 19 Feb 2014 17:01:13 +0000 (-0800) Subject: Recommend versions for operating system environments. X-Git-Url: https://pd.if.org/git/?a=commitdiff_plain;h=cefc823735d6a81c8e5a56b9ebeb61b9061f3ba3;hp=cefc823735d6a81c8e5a56b9ebeb61b9061f3ba3;p=btree Recommend versions for operating system environments. ---