Operating Systems
Mainframes
Very good knowledge
IBM ISPF, MVS, OS 390
Good knowledge
Siemens BS 1000, IBM DOS
Basics
Siemens BS 2000, CMS
Midrange
Good knowledge
WANG Resourse
Extended Basics
IBM /36
Basics
NCR ITX Galaxy, OSF/Motif, VMS, IBM /38
1 Years of experience in SUN OS, Solaris
2 Years of experience in Unix
PC + Network
Very good knowledge
MS-DOS
Good knowledge
MAC-OS, OS/2, Windows Server 2012, Windows 10