In the early 80's I found under the Christmas tree, a Commodore 64 and it was love at first sight. The huge amount of ram (64k) compared to the previous VIC20 (5k) excites me and drives me to take their first steps in programming to make it my profession.
I learned about both the IBM mainframe operating systems (DOS, MVS, VM) and those of network and personal computer (Netware, OS Amiga, MS-DOS, Windows, Linux and its distributions, * BSD, Mac OS) also with experience of embedded systems (Windows CE) and 8-bit microcontroller with programming in C.
I have used many languages ​​(COBOL, PL / 1, SPF, C, C + +, Visual Basic, Visual Basic.NET, C #) and development tools (TSO, CMS, XEDIT, Rosco...