Environment Question:
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Wtmp and utmp files contain:
a) Temporary system data
b) User login-logout log
c) The user's command execution log
d) The user's su and sudo attempts

Answer:

b) User login-logout log

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At start of process execution, STDOUT & STDERR:
a) Point to current terminal device
b) Are closed
c) Point to special files on the system
d) None of the above
Which is the core of the operating system?
a) Shell
b) Kernel
c) Commands
d) Script