Changes
/* Virtual Machine: Operating System */
|-
| style="border-top:none;border-bottom:0.002cm solid #000000;border-left:0.002cm solid #000000;border-right:none;padding:0.097cm;"| sstOperatingSystem
| style="border-top:none;border-bottom:0.002cm solid #000000;border-left:0.002cm solid #000000;border-right:none;padding:0.097cm;"| <center>sstOpenStackUnitsstOperatingSystemObjectClass</center>| style="border-top:none;border-bottom:0.002cm solid #000000;border-left:0.002cm solid #000000;border-right:none;padding:0.097cm;"| <center>MAYMUST</center>| style="border-top:none;border-bottom:0.002cm solid #000000;border-left:0.002cm solid #000000;border-right:none;padding:0.097cm;"| <center>x</center>
| style="border-top:none;border-bottom:0.002cm solid #000000;border-left:0.002cm solid #000000;border-right:0.002cm solid #000000;padding:0.097cm;"| A manually executed maintenance window for Windows systems is significantly more time-consuming than for Linux. Therefore we need to know the operating system. Possible values are
* <code>sstOperatingSystem: Linux</code>
