Main difference

UNIX systems are mostly matched with hardware, while Linux can run on a variety of hardware platforms.

UNIX is commercial software, and Linux is free software, free and open source.

Linux is free

Unix and linux are both names of operating systems. However, in addition to being the name of the operating system, the four letters unix are also owned by SCO as a trademark.

Linux commercialization includes RedHat Linux, SuSe Linux, slackware Linux, domestic Hongqi, etc., as well as Turbo Linux.

Unix mainly includes Sun's Solaris, IBM's AIX, HP HP-UX, and SCO Unix/Unixware on the x86 platform

In terms of network management capabilities and security, UNIX systems have always been used as high-end applications or server systems, so they have a complete network management mechanism and rules, Linux follows these excellent rules, making the network highly configurable and providing great flexibility for system management.