Q621
Open question. . . . . . . . system call is used for writing to a file.
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Computer Science · all questionsUNIX
UNIX
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Q622
Open questionTo know the PID of your current shell, which command will be used?
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Q623
Open questionA user-defined variable is initialized to . . . . . . . .
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Q624
Open question-f option when used with mv command overwrites existing files without prompting any messages.
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Q625
Open questionWhich of the following is performed by expr string handling's function?
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Q626
Open questionWhich of the following is a correct syntax for performing substitution on a file?
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Q627
Open questionFor locating the first position of a character in a string we can use expr command.
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Q628
Open questionWhich function is used by perl for displaying the length of a string?
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Q629
Open questionWhat are positional parameters?
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Q630
Open questionWe can run the jobs in the background in UNIX.
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Q631
Open questionThe command is valid.
HOME > home.lsSelect an option to see the answer and solution.
Q632
Open questionGiven x=10 then,
x == x.Select an option to see the answer and solution.
Q633
Open questionThe output of ls dir* is . . . . . . . .
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Q634
Open questionWhich one of the following is the correct syntax for performing substitution using sed?
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Q635
Open questionThe following will display :
perl -e ‘print “UNIX” x 10 . “\n” ;’Select an option to see the answer and solution.
Q636
Open questionWhich symbol is used for repeating the last command?
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Q637
Open questionWhat is the value returned by fork system call, when the creation of child process is unsuccessful?
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Q638
Open questionA file is a container for storing information.
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Q639
Open questionFor running a UNIX command within awk, we've to use . . . . . . . . function.
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Q640
Open questionWhatever we have cut using cut command can be pasted back using paste command but vertically.
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