1. System auditing (2018). https://access.redhat.com/documentation/en-us/red/_hat/_enterprise/_linux/6/html/security/_guide/chap-system/_auditing
2. Raspberry Pi Linux 4.19 Preempt RT (2019). https://github.com/raspberrypi/linux/tree/rpi-4.19.y-rt
3. Embedded linux (2020). https://elinux.org/Main/_Page
4. The instrumented microkernel (2020). http://www.qnx.com/developers/docs/6.4.1/neutrino/sys/_arch/trace.html
5. Tracealyzer for vxworks (2020). http://percepio.com/docs/VxWorks/manual/