If you own a Raspberry Pi, you can start several operating systems from a single boot medium. All you need is a micro SD card ...
Sometimes, a somewhat obscure Linux distribution might be just what you're looking for. Is either CachyOS or Nobara the one?
After years of trying lightweight Linux distros, a modified Windows setup finally made my old laptop enjoyable again.
Pear OS has had a bit of history. It started out as a Debian-based Linux distribution called Pear OS. Then, out of nowhere, it was renamed Comice OS. The rename gremlins struck again, and it was back ...