Solutions

1.  	mkdir morenames	    
	cp  /home/classes/fundamentals/morenames/*  morenames

2.	a.  ls section*	    
	b.  ls section[1-3]	    
	c.  ls intro	    
	d.  ls *[13]

3.  	a.  ls [bf]*	    
	b.  ls [a-k]*	
	c.  ls *[A-Z]*	 Try:  echo *[A-Z]*
	d.  ls *.c	

4.  	a.  ls *[0-9][0-9]	    
	b.  ls *8*	    
	c.  ls *[89]*   OR    ls *8* *9*	    
	d.  ls *1[3-9]	

5.  	Not much.	

6.  	ll file[1-20]	 <-- Matches file1 or file2 or file0.	    
	ls file[1-9] file1[0-9] file20
