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71
To restore a number of recent deletions, numbered buffers are used.
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Answer & Solution
Answer: Option A
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72
Options are also arguments but begin with a -.
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Answer & Solution
Answer: Option A
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73
Below command will change the case of text from lower to upper.
head -n 3 emp.lst | tr '[a-z]' '[A-Z]'
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Answer & Solution
Answer: Option A
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74
Which of the following is used with :set to customize vi to ignore case in pattern searches?
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Answer & Solution
Answer: Option B
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75
Which of the following is not a valid operator-command combination?
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Answer & Solution
Answer: Option B
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76
For what purpose bc command is used?
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Answer: Option A
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77
To display the last five used commands, which one of the following commands is used (in bash shell)?
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Answer & Solution
Answer: Option A
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78
Environment variable names can be defined only in uppercase.
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Answer: Option B
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79
Which command is used for reporting free space on the disk?
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Answer: Option B
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80
Which one of the following command is used for searching for a pattern in one or more file(s)?
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Answer & Solution
Answer: Option D
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