The endless hackatron...
...design and coding of systems and software since 1985 - still with dedication.
...Coding since 1978/1985 - sh, ksh, bash, awk/sed, C, C++, Perl, Python Java, JavaScript, EMacs-Lisp, SQL, ESQL, C/ISAM, SNMP, ITU-T-CMIP/CMISE, TCP/IP, Motif, X11, Pascal, Assembler, ...
OS...
...Unix since 1989 - Nixdorf, Sinix, Solaris, SCO-Unix
...Linux since 1993 - SuSE, Debian, CentOS, ScientificLinux, Fedora, RHEL, Ubuntu, ...
...OpenBSD since 2003 - Version 2.x...
...Windows for 5+ years
Networks...
...Cisco, Netgear, ...
...NMS, FCAPS, and Monitoring
...ITU-T/Telco, SNMP, ...
...Nagios, Icinga, MRTG, ...
Those days before...
...TI-57, TI-59 1981
The Apple-IIe - 1984...
...Z80-CP/M 1985
The IBM-PC...
...MS-DOS 1985
Finally...
...once a day => exit(back=0) into eternity.