The term microsoft disk operating system is identified in base64 scheme by the sequence bWljcm9zb2Z0IGRpc2sgb3BlcmF0aW5nIHN5c3RlbQ==, while the MD5 signature is equal to 079fa91eb990f4cbae484277654b639b. The ASCII encoding of microsoft disk operating system in hexadecimal notation is 6d6963726f736f6674206469736b206f7065726174696e672073797374656d.