/usr/share/otrs/RELEASE is in otrs2 6.0.5-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 | PRODUCT = OTRS
VERSION = 6.0.5
BUILDDATE = Tue Feb 6 00:48:04 CET 2018
BUILDHOST = otrsbuild.otrs.com
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