macchanger accepts the following options:
-h,--help
Show summary of options.
-V,--version
Show version of program.
-s,--show
Prints the current MAC. This is the default action when no other option is specified.
-e,--ending
Don't change the vendor bytes.
-a,--another
Set random vendor MAC of the same kind.
-A Set random vendor MAC of any kind.
-r,--random
Set fully random MAC.
-p,--permanent
Reset MAC address to its original, permanent hardware value.
-l,--list[=keyword]
Print known vendors (with keyword in the vendor's description string).
-b,--bia
When setting fully random MAC pretend to be a burned-in-address. If not used, the MAC will have
the locally-administered bit set.
-m,--macXX:XX:XX:XX:XX:XX,--mac=XX:XX:XX:XX:XX:XX
Set the MAC XX:XX:XX:XX:XX:XX.