A system software component that is external to the operating system kernel. If the phrase is used to refer to the operating system itself, it is redundant because an operating system "is" software.

As system engineers explore therequirements for a system and begin to define a high-levelsolution, they face a number of challenges, including defining thesystem context and top-level structure; ...

relationships are established between the groups of data. Typically, a database is organized according to the types of data and how you want to use the data. You must understand and be familiar with ...

(1) Software that is free of charge. See freeware. (2) Software that is free of restrictions and which may be free of charge. Free software licenses grant users the freedom to use it for any purpose, ...