version.1s

print OpenSSL version information

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.