$ grep –c “^echo” abc
A. The count of lines that do not contain the pattern echo in file abc
B. The count of lines which begin with the pattern echo in file abc
C. The count of lines that ends with the pattern echo in file abc
D. None of the above
Answer:A
$ grep –c “^echo” abc
A. The count of lines that do not contain the pattern echo in file abc B. The count of lines which begin with the pattern echo in file abc C. The count of lines that ends with the pattern echo in file abc D. None of the above