Comparison of operating system kernels
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The following tables compare general and technical information for a number of kernels.
kernel name | creator | executable format | type | Integrated firewall | SMP support | multiple CPU support | multitasking | last release |
Linux kernel [1] | Linus Torvalds | ELF | monolithic with modules | IPFilter | Yes | Yes | Yes | 2.6.15.1 |
Hurd [2] | FSF | ELF | multi-server microkernel | No | No | Yes | 0.2 | |
XNU [3] | Apple | Mach-O | hybrid kernel | Yes | Yes | Yes | ||
Windows NT [4] | Microsoft | PE | hybrid kernel | Yes | Yes | Yes | 5.2 |