10-31-2001
The core of the Mac OS X kernel (Darwin) is also freely downloadable (the source). The value-proposition for Apple is the GUI and other non-OS icing on the OS.
Perderabo's reply about Sun's new policy also shows that Sun is shifting their value-proposition away from proprietary kernel source and looking to build future profits by adding value above the kernel.
There is little doubt in my mind that the movement to open-source for the core kernel code (open and extensible) and value added in the higher levels of the application stack is a path that will reap tremendous benefits to all network computing.
Please keep in mind that IBM is moving to Linux for many (if not most) of their classes of servers (and focusing on the value-proposition outside of the OS kernel).
HP (HP-UX) will need to follow soon (we hope!).
Here is an interesting article about IBM and Linux...... for those interested.
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LEARN ABOUT LINUX
regulatory.bin
regulatory.bin(5) Linux regulatory.bin(5)
NAME
regulatory.bin, regulatory.db - The Linux wireless regulatory database
Description
regulatory.bin and regulatory.db are the files used by the Linux wireless subsystem to keep its regulatory database information.
regulatory.bin is read by crda upon the Linux kernel's request for regulatory information for a specific ISO / IEC 3166 alpha2 country
code.
regulatory.db is a newer, extensible database format which (since Linux 4.15) is read by the kernel directly as a firmware file.
The regulatory database is kept in a small binary format for size and code efficiency. The regulatory.bin file can be parsed and read in
human format by using the regdbdump command. The regulatory database files should be updated upon regulatory changes or corrections.
Upkeeping
The regulatory database is maintained by the community as such you are encouraged to send any corrections or updates to the linux-wireless
and wireless-regdb mailing lists: linux-wireless@vger.kernel.org and wireless-regdb@lists.infradead.org
SEE ALSO
regdbdump(8) crda(8) iw(8)
http://wireless.kernel.org/en/developers/Regulatory/
regulatory.bin 21 December 2017 regulatory.bin(5)