Which command is used to remove a directory ?
Which command is used to remove a directory ?
A. rd
B. rmdir
C. dldir
D. rdir
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To build a modularized kernel, the kernel-headers and kernel-source packages must first be installed. Where will you find the kernel-headers and kernel-source ?
To build a modularized kernel, the kernel-headers and kernel-source packages must first be installed. Where will you find the kernel-headers and kernel-source ?A. /usr/local
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C. /usr/sre/redhat
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What shell’s wild-card is used to match a single character ?A. [!ijk]
B. [ijk]
C. ?
D. *What command is used to count just the number of lines contained in a file ?
What command is used to count just the number of lines contained in a file ?A. wc – r
B. wc – w
C. wc – c
D. wc – lHow many class A, B and C network IDs can exist ?
How many class A, B and C network IDs can exist ?A. 128
B. 126
C. 16382
D. 2113658Which of the following keys is used to overstrike a whole line ?
Which of the following keys is used to overstrike a whole line ?A. R
B. v
C. C
D. uWhat service is used to translate domain names to IP addresses ?
What service is used to translate domain names to IP addresses ?A. NFS
B. SMB
C. NIS
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