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41
Which of the following is not a special parameter used by the shell?
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Answer & Solution
Answer: Option D
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42
The UNIX shell is both . . . . . . . . and . . . . . . . . language.
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Answer: Option C
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43
Sometimes it is not possible to copy a file.
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Answer: Option A
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44
Which command is used to change the group owner of the file?
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Answer: Option C
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45
Which of the following system call is more powerful (in waiting mechanism) than wait system call?
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Answer & Solution
Answer: Option B
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46
vi editor has . . . . . . . . named buffers.
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Answer: Option C
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47
. . . . . . . . option is used with a test for checking if the file exists and has the size greater than zero.
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Answer & Solution
Answer: Option D
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48
Double quotes are more permissive than single quotes and allow the evaluation of the $ and ` itself.
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Answer: Option A
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49
Which one of the following is used for looping with a list?
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Answer: Option D
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50
Which one of the following commands will be used to delete all the instances of string 'manager' in file003?
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Answer & Solution
Answer: Option A
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