Operating Systems and Servers

   
Microsoft DOS 3.0 to 6.22 ★★★★★
Microsoft Windows 3.11 to 10 ★★★★★
Windows Server 2003 to Windows Server 2016 ★★★★★
OS/2 ★★★
OSX ★★★
Linux (Ubuntu, SuSe)
IOS ★★★★
VMware / VSphere ★★★★
Hyper‐V ★★★★★
Microsoft Exchange 2007 / 2010 ★★★★
Microsoft SharePoint