# File lib/facter/util/virtual.rb, line 71
71:   def self.jail?
72:     path = case Facter.value(:kernel)
73:       when "FreeBSD" then "/sbin"
74:       when "GNU/kFreeBSD" then "/bin"
75:     end
76:     Facter::Util::Resolution.exec("#{path}/sysctl -n security.jail.jailed") == "1"
77:   end