openssl version [-a] [-v] [-b] [-o] [-f] [-p]
This command is used to print out version information about OpenSSL.
-a all information, this is the same as setting all the other flags.
-v the current OpenSSL version.
-b the date the current version of OpenSSL was built.
-o option information: various options set when the library was built.
-c compilation flags.
-p platform setting.
-d OPENSSLDIR setting.
The output of openssl version -a would typically be used when sending
in a bug report.
The -d option was added in OpenSSL 0.9.7.
1.0.1f 2014-01-06 VERSION(1SSL)
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