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Because builtins are part of the shell. Any bugs or history they have are bugs and history of the shell itself. They are not independent commands and don't exist outside the shell they are built in. The equivalent, for bash at least, is the help command. For example: $ help while while: while COMMANDS; do COMMANDS; done Execute commands as long as a ...


3

While it's true that some shell builtins may have a scant showing in a complete manual - especially for those bash-specific builtins that you're only likely to use on a GNU system (the GNU folks, as a rule, don't believe in man and prefer their own info pages) - the vast majority of POSIX utilities - shell builtins or otherwise - are very well represented in ...


2

Very short answer: OSX combines a Mach kernel with a BSD Unix toolset and libraries. The Mach heritage (via NeXTSTEP) lead to the use of Mach-O as the executable format. See this answer for more details: http://unix.stackexchange.com/a/713/24313


2

By default top only displays user processes (i.e. processes other than the kernel and its threads). It's possible that the kernel is busy with disk or network IO that is not showing up in top's display. You can toggle the display of kernel threads in top by pressing SHIFTs. You can use the vmstat utility to display statistics about (among other things) ...


1

I don't think this revision of the chipset is supported by the stock re driver in version 8.2-RELEASE or earlier. You can grab a back-ported version of the driver and rebuild your kernel to include it. A quick search of the FreeBSD mailing list archive turns up this thread, which has links to the updated driver files. If you need pointers on rebuilding your ...



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