Unix Quiz

1. What is a daemon?

process whose parent has died
process who has completed its execution but still has an entry in the process table
process which is running infinitely
process which runs automatically without any user interaction

2. Whch of the following is invalid variable names?

VAR_1
_ALI
VAR1
VAR_A!

3. Which File test operator is used to checks if file has its sticky bit set?

-g
-k
-p
-a

4. If there are special characters in a pattern, then we've to enclose them in ______

single quotes
double quotes
Without any quotes
None of the above

5. In how many categories are links divided?

1
2
3
4

6. The _______ loop executes the given commands until the given condition remains true.

For loop
While loop
until loop
Both B and C

7. Which of the following statement is used to terminate the execution of the entire loop?

continue
terminate
this
break

8. Which of the following is true about shell?

A Shell provides you with an interface to the Unix system.
Shell gathers input from you and executes programs based on that input.
Shell is an environment in which we can run our commands, programs, and shell scripts.
All of the above

9. The most common file type is ___.

ordinary file
directory file
device file
ordinary file and directory file

10. Which one of the following is not an environment variable?

env
Path
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