Most modern Unix and Linux distributions have a way to install software. Typically, if you wanted to install software, you would have to download the source code and compile it. When you use a Package Manager, typically you get a pre-compiled binary. This saves you time and effort when installing software. If you want to…
OpenBSD was derived from the version of UNIX developed at the University of California, Berkeley. You can download OpenBSD for free. Out of the 3 primary BSD forks, OpenBSD is widely considered to be the most secure. Intel/AMD x86_64 Alpha HP PA-RISC Intel/AMD x86 PowerPC SGI SPARC
NetBSD was derived from the version of UNIX developed at the University of California, Berkeley. You can download NetBSD for free. Out of the 3 primary BSD forks, NetBSD has the largest platform support. Intel/AMD x86_64 Intel/AMD x86 ARM PowerPC SPARC Many others in T2
FreeBSD was derived from the version of UNIX developed at the University of California, Berkeley. You can download FreeBSD for free. There is a large variety of platforms supported. Intel/AMD x86_64 Intel/AMD x86 PowerPC PowerPC64 SPARC64 AArch64