Slax is a Debian-family Linux distribution based on Debian or Slackware. Pocket-sized live operating system with modular architecture based on Debian or Slackware.
Strengths: Fits comfortably on any vintage USB flash drive; Boots quickly with persistent storage options; Available with Debian APT or Slackware foundation. Trade-offs: Minimalist Fluxbox desktop may seem basic for daily heavy work.