Which of the following shells is the most basic shell available on all UNIX systems?
A. tsch
B. Bourne shell
C. C shell
D. Korn shell
B
Explanation: In Linux and UNIX, a number of command line shells are available, and they differ in the syntax of the commands they allow. The most basic shell available on all UNIX systems is the Bourne shell.
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Display courses and prerequisites. If there is no prerequisite, display ‘none’ else display ‘one’.
Write queries for the following. (Use tables created in Chapter 4 Lab Activity.)
Which command is used to make sure that the DHCP server starts when the system boots?
A. rcdhcpd start B. rcdhcpd restart C. insserv rcdhcpd D. chkconfig dhcpd on
Which wire, when tested, should display zzero voltas on multi meter?
a. Black b. Hot c. Ground d. Red
The ___________ loop structure, which restricts access to read-only, is used to iterate or move through a collection, such as an array.
Fill in the blank(s) with the appropriate word(s).