Why do system calls make use of kernel mode?
What will be an ideal response?
Since system calls manipulate kernel data structures, they must run in kernel mode since kernel
data structures are protected from processes running in user mode.
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Some older kernels contain a vulnerability that allows a local user to gain root privileges. Explain how this kind of vulnerability negates the value of a chroot jail.
What will be an ideal response?
What arithmetic operations are on the same level of precedence as multiplication? _________
Fill in the blank(s) with the appropriate word(s).
A ________ is a reference to an authoritative document
A) passim B) legal citation C) table of authorities D) statue
As shown in the accompanying figure, if you point to a command on a menu that has an arrow to its right edge, a(n) ____ displays another list of commands.
a. ellipsis
b. index
c. dock
d. submenu