xzoom

magnify part of X display, with real-time updates

Debian Debian
RUN apt-get update && \ apt-get install -y xzoom
Ubuntu
RUN apt-get update && \ apt-get install -y xzoom
image/svg+xml Kali Linux
RUN apt-get update && \ apt-get install -y xzoom
Raspbian
RUN apt-get update && \ apt-get install -y xzoom
click the source code to copy install xzoom on any operating system with command-not-found.com