a All the files that end with cfg under the etc directory b
a. All the files that end with .cfg under the /etc directory
 
 b. All hidden files in the /home/user1 directory
 
 c. The directory names that exist under the /var directory
 
 d. All the files that start with the letter \"a\" underneath the /bin directory
 
 e. All the files that have exactly three letters in their filename in the /bin directory
 
 f. All files that have exactly three letters in their filename and end with either the letter \"t\" or the letter \"hr\" in the /bin directory
Solution
a)
b)
c)
d)
e)

