Mac OSX 10.9.4
uname -a <~/Library/Mathematica/Licensing nyx[33] Darwin nyx.local 13.3.0 Darwin Kernel Version 13.3.0: Tue Jun 3 21:27:35 PDT 2014; root:xnu-2422.110.17~1/RELEASE_X86_64 x86_64
Session log below.
Mathematica 10.0 for Mac OS X x86 (64-bit) Copyright 1988-2014 Wolfram Research, Inc.
In[1]:= $Version
Out[1]= 10.0 for Mac OS X x86 (64-bit) (June 29, 2014)
In[2]:= $VersionNumber
Out[2]= 10.
In[3]:= SystemInformation["Small"]
Out[3]= {Kernel ->
> {SystemID -> MacOSX-x86-64, ReleaseID -> 10.0.0.0 (5098698, 5098537),
> CreationDate -> DateObject[{2014, 6, 29}, TimeObject[{20, 38, 32}]]},
> FrontEnd ->
> {OperatingSystem -> $Failed, ReleaseID -> Missing[NotActive],
> CreationDate -> DateObject[$Failed]}}
In[4]:= URLFetch["http://www.google.com/"]
General::unavail: ExportString is not available in this version of the Wolfram Language.
ImportString::string: First argument ExportString[{60, 33, 100, 111, 99, 116, 121, 112, 101, 32, 104, 116, 109, 108, 62, 60, 104, 116, 109, 108, 32, 105, 116, <<19641>>, 111, 100, 121, 62, 60, 47, 104, 116, 109, 108, 62}, <<2>>] is not a string.
Out[4]= ImportString[ExportString[{60, 33, 100, 111, 99, 116, 121, 112, 101,
> 32, 104, 116, 109, 108, 62, 60, 104, 116, 109, 108, 32, 105, 116, 101,
-- Snip --
In[5]:= ExportString[]
ExportString::argrx: ExportString called with 0 arguments; 2 arguments are expected.
Out[5]= ExportString[]