# \' for a single quote.
c1 = '\''
# \" for a double quote.
c2 = '"'
# \\ for a backslash.
c3 = '\\'
# \0 for a null character.
c4 = "\0"
# \a for an alert character.
c5 = "\a"
# \b for a backspace.
c6 = "\b"
# \n for a new line.
c7 = "\n"
# \r for a carriage return.
c8 = "\r"
# \t for a horizontal tab.
c9 = "\t"
# \v for a vertical tab.
c10 = "\v"
# \x for a unicode character hex value.
c11 = 0x41.chr # Symbol A
puts "c1 is '#{c1}'"
puts "c2 is '#{c2}'"
puts "c3 is '#{c3}'"
puts "c7 is '#{c7}'"
puts "c8 is '#{c8}'"
puts "c9 is '#{c9}'"
puts "c10 is '#{c10}'"
puts "c11 is '#{c11}'"