1) Make a while loop that counts 1,2,4,8,16,...1024.  You must do math.

2) Assign the the variable 'a' the number of lines in /etc/passwd.
Hint:  This only needs one line of code.

3) Print the second-to-last line of /etc/passwd.  Only that.


4) If 'b' is less than 10, print 'bad' else print 'good'.
Show you can use an if.  


5) Print 'yes' or 'no' depending on if the directory /etc/samba exists.
Use an if statement.
-OR-
Print 'yes' or 'no' depending on if the word string "samba" appears in /etc/passwd.
Use and if statement.

6) Print the number of users on the system.  Use 'uptime' to get the
number of users.