데이터베이스정보처리기능사 실기(베타) · 2010년03월27일 · 13/15
13.( ) is a very popular version of the Unix operating system that runs on a variety of hardware plaforms. ( ) is widely use as a server OS and is gaining ground in the desktop market. ( ) is the most popular open source operating system in use. Its source code is abailable free of charge.
1
UNIX
2
LINUX정답
3
Windows
4
Zenix
해설
open source operating system 이 문장만 봐도 Linux라고 나옵니다