Related to the UNIX-based Operating System produced by Sun Microsystems since the 1980's and acquired by Oracle in 2010.
Both the terms "
SunOS" and "
Solaris" are frequently interchanged in today's vernacular.
However, historically, "
SunOS" used to refer to the UNIX-based OS prior to version 2.6.
The term "
SunOS" is also seen as the "Operating System Type" when queried by various compilers & built-in commands (such as
The operating system supports both "SPARC" & "x86"-based CPU architecture.