All command line, and totally foreign on a level that makes switching from Windows to Linux look trivial by comparison.<p>(which coincidentally, is why I want to explore it)<p>Here&#x27;s the official IBM &quot;for dummies&quot; book: <a href="https:&#x2F;&#x2F;www.redbooks.ibm.com&#x2F;redbooks&#x2F;pdfs&#x2F;sg246366.pdf" rel="nofollow">https:&#x2F;&#x2F;www.redbooks.ibm.com&#x2F;redbooks&#x2F;pdfs&#x2F;sg246366.pdf</a>