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Que. Match the following vi commands in Unix:
List-I                   List-II
a.   :w        i. saves the file and quits
editing mode
b.   :x         ii. escapes unix shell
c.   :q         iii. saves file and remains
in editing mode
d. :sh       iv. quits editing mode and
no changes are saved to
the file

Codes:
     a   b  c  d
a. ii   iii  i  iv
b. iv  iii  ii  i
c. iii  iv  i  ii
d. iii  i   iv ii
Answer:iii  i   iv ii
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