The NetBSD operating system is a full-featured, open source, UNIX-like operating system descended from the Berkeley Networking Release 2 (Net/2), 4.4BSD-Lite, and 4.4BSD-Lite2.
NetBSD runs on 52 different system architectures featuring 17 machine architectures across 11 distinct CPU families, and it being ported to more. The NetBSD 1.6.1 release contains complete binary releases for 40 different machine types.
NetBSD 1.6.1 is a maintenance release for users of NetBSD 1.6 which provides the following updates relative to 1.6:
- Performance fixes have been incorporated.
- Improved device support in some existing drivers.
- New device drivers have been added.
- The evbsh3 port has been added to the binary distribution.
- Some minor userland fixes have been applied.
- The NetBSD 1.6.1 distribution consists of the full NetBSD source, binary releases for 40 ports including the X Window System, and the NetBSD Packages Collection 1.6.1 release.
Here are the security related changes:
- BIND has been updated to 8.3.4 and security patches applied to named(8) and the libc resolver.
- Various security patches have been applied to sendmail.
- OpenSSL has been updated to 0.9.6g and a number of security patches applied.
- A potential buffer overflow in zlib has been fixed.
- Buffer overflow bugs in file(1) have been fixed.
- Some Kerberos 4 security bugs have been addressed.
- A umask security problem in GNU tar(1) has been fixed.
Complete source and binaries are available at many sites around the world. You can download NetBSD via FTP, AnonCVS, SUP and other methods from a mirror site near you.