linux question 1

&& || –> DO NOT USE

1. Write test commands for the following

a. to check to see whether a variable named ROOM has the integer value 89

b. to check to see whether /etc/shadow is writable.

2. What is the meaning of character for grep/egrep.

3. Write egrep/grep RE for the following

a. Display lines that begin with root

b. Display lines that ends with root

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