NetBSD 3.1 review

NetBSD is a free, secure, and highly portable Unix-like Open Source operating system available for many platforms, from 64-bit Optero

License: GPL (GNU General Public License) File size: 204832K Developer: The NetBSD Foundation, Inc.

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NetBSD is a free, secure, and highly portable Unix-like Open Source operating system available for many platforms, from 64-bit Opteron machines and desktop systems to handheld and embedded devices.

Its clean design and advanced features make it excellent in both production and research environments, and it is user-supported with complete source. Many applications are easily available through The NetBSD Packages Collection.

Here are some key features of "NetBSD":
Clean design
Wide platform support
BSD License
Full source availability
Security
Mature and stable
Hype free
Packet filtering and Network Address Translation (NAT)
IPv6
Network File System (NFS)
Comprehensive and robust networking
Wireless networking
Hardware and software RAID
High performance PCI IDE
SCSIPI subsystem - combined SCSI and ATAPI
64-bit filesystems
Large IDE disks
Soft Updates on FFS for high performance and reliability
Many filesystem types
DVD ROM and RAM
The package system (applications)
Machine independent driver framework
Machine independent audio framework
Kernel debugging
OS emulation
USB (Universal serial bus)
Other device support
The UVM virtual memory system
Cardbus
wscons machine independent console
64-bit clean
Non-executable stack and heap