130 B
		
	
	
	
	
	
	
	
			
		
		
	
	
			130 B
		
	
	
	
	
	
	
	
Lab 1
Q3.	a. ls *.txt
b. ls *[0-9]*
c. ls ????*.* - 5, considering that one character is a period.
d. ls [!aeiou]*
Q3.	a. ls *.txt
b. ls *[0-9]*
c. ls ????*.* - 5, considering that one character is a period.
d. ls [!aeiou]*