1.

To replace the string ‘director’ in the first five lines of file emp.lst with ‘manager’ we can use _____$

A. sed ‘s/director/manager/’ emp.lst
B. sed ‘1-5s/director/manager/’ emp.lst
C. sed ‘1,5s/director/manager/’ emp.lst
D. sed ‘15s
Answer» D. sed ‚Äö√Ñ√∂‚àö√ë‚àö‚â§15s


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