new file:   fact.rb
	new file:   hello_class.rb
	new file:   hosts
	new file:   instance.rb
	new file:   max.rb
	new file:   strip.rb
	new file:   ten_lines_grep.rb
	modified:   testfile/newtest
	deleted:    9x9_mul.rb
	deleted:    while.rb
	deleted:    SelfStudyRuby/9x9_mul.rb
	deleted:    SelfStudyRuby/while.rb