11. |
Which of the following special shell variables is used to process number of the current shell? |
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12. |
Which option is used with cmp command to give a detailed list of the byte number and the differing bytes in octal for each character that differs in both the files? |
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13. |
Which command is used with vi editor scroll half page backward? |
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14. |
Which command is used with vi editor to move cursor forward to first occurrence of character 'ch' in the current line? |
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15. |
Which of the following keys is used to delete the character beneath the cursor? |
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