What does BSD mean?

BSD meaning in Computer Science Dictionary

brief for Berkeley computer software Distribution, BSD is a Unix-like operating-system which was first introduced in belated 1977 as 1BSD on Computer System Research Group (CSRG) in the University of California at Berkeley. These days, BSD will come in various tastes eg BSDi Web host (BSD/OS), FreeBSD, NetBSD, and OpenBSD below is a quick introduction to each of these flavors of BSD.