Which of the following is an interactive command?
a. OPEN c. READ
b. CLOSE d. COPY
Which of the following has the highest availability?
a. Windows NT-based c. IBM S/390 (sysplexed)
b. IBM S/390 (nonsysplexed) d. AS/400
UNIX Version 4 was written entirely in C, a high-level language that’s hardware independent, instead of assembly language that’s hardware dependent. True
Unlike Linux, UNIX was originally designed to support multiple users. True
The default shell for Linux is the C shell (csh). False (it's bash, Bourne-again shell)
What algorithm does the Linux kernel use to release pages from memory when space is needed?
a. least recently used c. priority
b. round robin d. oldest first
A Linux extension to pipes is a ____, which allows both processes to share the same segment of code and data.
a. nest c. duplicate
b. clone d. fork
Device drivers are loaded into memory when a Linux or UNIX system is booted and remain in memory until the system is shut down. False (both support dynamically-loaded drivers, called "modules" in Linux)
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Computer Software Engineer
15 years of professional experience as a software, web, and database developer