====== Checksums ======

===== md5 (strings)=====
<code>
md5 -s teststring
</code>

===== md5sum (files) =====
<code>
md5sum testfile.txt
</code>

===== openssl =====
<code>
openssl dgst -md5 testfile.txt
openssl dgst -sha1 testfile.txt
</code>