Q821
Open questionWhich of the following commands can be used to replace 'professor' with 'director' throughout the whole file?
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Computer Science · all questionsUNIX
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Q822
Open questionWhich option is used for selecting repeated entries?
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Q823
Open questionWhere is the exit status of a command stored?
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Q824
Open questionWhich of the following command is used for viewing the attributes of contents of an archive?
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Q825
Open questionWhich of the following is not a subset of BRE (basic regular expression) character subset?
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Q826
Open questionThere are . . . . . . . . distinct phases of a process.
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Q827
Open questionWhich data structure is used to store information about a process?
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Q828
Open questionPOSIX shell provides job control facilities like bg or fg.
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Q829
Open questionThe action that a signal takes on receipt of a signal is called . . . . . . . .
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Q830
Open questionTo repeat a string, perl uses . . . . . . . . operator.
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Q831
Open questionWhich command is used for displaying date in the format dd/mm/yyyy ?
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Q832
Open questionWhich of the following system call is used for opening or creating a file?
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Q833
Open questionWhich of the following characters specify the user and group category?
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Q834
Open questionHow many data structures does the kernel maintain in memory that contain information about an open file?
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Q835
Open questionUNIX imposes no rule for framing filename extensions.
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Q836
Open questionWhich of the following is not a part of job control facilities?
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Q837
Open questionWhat does the -S option do in ls command?
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Q838
Open questionTo reverse any setting updated by set command we can use . . . . . . . . symbol.
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Q839
Open questionWhich of the following meta-character is used in command substitution?
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Q840
Open question. . . . . . . . and . . . . . . . . commands works in a reverse manner as f and t.
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