Ruby Program including basic method & ping command

puts 'hello world'
name = "Solution"
print name + "\n"

puts name.reverse
puts name.center(30)
puts name.upcase
puts name.downcase
puts name.ljust(40,'*')
puts name.class
puts Time.new
puts Time.class
puts "We are part of #{name}"
puts name.include?("u")
puts name.start_with?("s")
name[8] ="s"
puts name
number = 12
puts "Number convert into string  #{number.to_s}"
puts "number.class #{ number.class}"
ip = "192.168.1.1"
x = `ping -c 4 -i 0.2 -s 4 192.168.0.1`