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I've been using Linux in one way or another since the mid-90s. In alphabetical order (because why not) I've used CentOS, CrunchBang (and CB++), Damn Small Linux, Debian, Gentoo, Mandrake/Mandriva, Manjaro, OpenSuSE, Red Hat (pre-RHEL), Slackware, Sorcerer, Source Mage, Ubuntu (most flavors, but I prefer Ubuntu-Mate), and White Box.
I currently develop primarily in C#, Python, JavaScript, various SQL dialects (T-SQL, PG/SQL, MySQL).
I have worked in various Basics (VB6, VBScript, VB.Net, VBA, PET Basic, GW-Basic, QuickBASIC), PHP, TCL, and Java.
I have (professionally) managed Windows and Linux servers, VMWare private cloud environments, AWS cloud deployments, MSSQL database servers, networks, firewalls, VPNs, Active Directory services, DNS, email services (SMTP, POP, and IMAP), and web servers.