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Computer Science · all questions

UNIX
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The output of the following command is . . . . . . . .
 echo hello and | ls chap*’

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Which of the following characters are used with sed as anchoring characters?

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. . . . . . . . option counts the number of lines containing the pattern?

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We can escape the \ itself using escaping.

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Which one of the following is the correct syntax for grep command?

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cpio program can be used with redirection and piping.

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. . . . . . . . function returns the first occurrence of a character in a string.

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Which command will push the current foreground job to the background?

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. . . . . . . . key is used for switching to command mode from input mode.

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For interrupting a command, we can use . . . . . . . .

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What is a daemon?

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Which symbol is used with cat command for creating files?

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Ctrl-S stops scrolling of screen output and . . . . . . . .

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nice command is a . . . . . . . . command in C shell.

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The cron tab is a table having a list of commands that are scheduled to be run at regular intervals.

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Which symbol is used for taking input from standard input?

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Sometimes we are unable to create a directory because . . . . . . . .

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chmod command can be used in . . . . . . . . ways.

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Which file is used for indicating terminals?

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Which of the following system call is used for inter-process communication?

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