apple2c, commadore64

• Commodore 64 (kernal)
• Amiga OS
• MS-DOS 3.2, 5.0
• Windows 3.1
• Slackware Linux
• Windows NT 4
• RedHat Linux
• Windows XP
• Ubuntu Linux
• Windows 7
• Windows 10
• Rasbian
• PopOS

Roughly in order of appearance. Personal devices only. I used many more for work.

First OS was DOS. Then Windows 3.1, Windows 95, Windows 98, then Debian when this happened.

First OS: MS-DOS, I reckon around v3 - was running on an IBM XT PC.

First Linux distro: Slackware, came on a CD-ROM on the front of a PC magazine.

First operating system was DOS 4 or 5, I think. On big 5.25” floppy disks on an 8088. Unless we’re counting whatever was running on a commodore vic20.

My first Linux distribution was Red hat Linux, somewhere around 1997, 1998 and I had a really tough time getting it installed.

I also once had a trial version of os/2 warp. Which was fun but pointless.

First OS was Windows XP and first Linux distro was Raspbian (now Raspberry Pi OS), but on my main computer the first distro I used regularly was Ubuntu

In high school I got my hands on an old Sun workstation with Solaris, and eventually after a week or so of compiling switched to Gentoo

First operating system I ever used was probably Windows XP, first Linux distro was probably either Ubuntu or Puppy Linux on an old laptop (I remember trying out the Ubuntu web demo back in like 2014.)

For operating systems in general, my first computer ran Windows 95.

For my first Linux distro, that’d be Debian 12 Bookworm.

The first one I remember using was good old Windows 98.

School: if it wasn’t a Macintosh Plus it was something like it. We were given very little time with it and had to go to a special computer room to use them so I don’t remember a lot of specifics about it, beyond the school tech guy having to painstakingly load each program we wanted to use manually from a floppy

Home: Windows 3.1. I don’t think we got the internet until Windows 95, though

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For Linux I started with Wubi to install Ubuntu 8.04 Hardy Heron. It installed Linux as a program in Windows and added some kind of hacky boot entry to boot into Ubuntu from your windows partition. Pretty cool, and I’m still pretty nostalgic for the GNOME 2 aesthetic with compiz effects from that time.

Sinclair Basic on my ZX81 with 1k ram. My first personal linux distro was Redhat 5.2. I used VAXVMS at work.

Windows Vista on my old family desktop.

First Linux distro, if it counts, was the Raspberry Pi OS