FreeBSD 7.2
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What is FreeBSD?
FreeBSD is an advanced operating system for x86 compatible (including Pentium® and Athlon™), amd64 compatible (including Opteron™, Athlon™64, and EM64T), ARM, IA-64, PowerPC, PC-98 and UltraSPARC® architectures. It is derived from BSD, the version of UNIX® developed at the University of California, Berkeley. It is developed and maintained by a large team of individuals. Additional platforms are in various stages of development.
Cutting edge features
FreeBSD offers advanced networking, performance, security and compatibility features today which are still missing in other operating systems, even some of the best commercial ones.
Powerful Internet solutions
FreeBSD makes an ideal Internet or Intranet server. It provides robust network services under the heaviest loads and uses memory efficiently to maintain good response times for thousands of simultaneous user processes.
Advanced Embedded Platform
FreeBSD brings advanced network operating system features to appliance and embedded platforms, from higher-end Intel-based appliances to Arm, PowerPC, and shortly MIPS hardware platforms. From mail and web appliances to routers, time servers, and wireless access points, vendors around the world rely on FreeBSD`s integrated build and cross-build environments and advanced features as the foundation for their embedded products. And the Berkeley open source license lets them decide how many of their local changes they want to contribute back.
Run a huge number of applications
With over 20,000 ported libraries and applications, FreeBSD supports applications for desktop, server, appliance, and embedded environments.
Easy to install
FreeBSD can be installed from a variety of media including CD-ROM, DVD, or directly over the network using FTP or NFS. All you need are these directions.
FreeBSD is free
The BSD Daemon
While you might expect an operating system with these features to sell for a high price, FreeBSD is available free of charge and comes with full source code. If you would like to purchase or download a copy to try out, more information is available.
Contributing to FreeBSD
It is easy to contribute to FreeBSD. All you need to do is find a part of FreeBSD which you think could be improved and make those changes (carefully and cleanly) and submit that back to the Project by means of send-pr or a committer, if you know one. This could be anything from documentation to artwork to source code. See the Contributing to FreeBSD article for more information.
Even if you are not a programmer, there are other ways to contribute to FreeBSD. The FreeBSD Foundation is a non-profit organization for which direct contributions are fully tax deductible. Please contact board@FreeBSDFoundation.org for more information or write to: The FreeBSD Foundation, P.O. Box 20247, Boulder, CO 80308, USA.
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History updates
FreeBSD 7.2 [09-10-09]
- [amd64, i386] The FreeBSD virtual memory subsystem now supports fully transparent use of superpages for application memory; application memory pages are dynamically promoted to or demoted from superpages without any modification to application code. This change offers the benefit of large page sizes such as improved virtual memory efficiency and reduced TLB (translation lookaside buffer) misses without downsides like application changes and virtual memory inflexibility. This is disabled by default and can be enabled by setting a loader tunable vm.pmap.pg_ps_enabled to 1.
- [amd64] The FreeBSD kernel virtual address space has been increased to 6GB. This allows subsystems to use larger virtual memory space than before. For example, zfs(8) adaptive replacement cache (ARC) requires large kernel memory space to cache file system data, so it benefits from the increased address space. Note that the ceiling on the kernel map size is now 60% of the size rather than an absolute quantity.
- [sparc64] The FreeBSD now supports Ultra SPARC III (Cheetah) processor family.
- [i386] The boot(8) BTX loader has been improved. This fixes several boot issues on recent machines reported for 7.1-RELEASE and before.
- A bug in the ciss(4) driver which caused low “max device openings” count and led to poor performance has been fixed.
- The sdhci(4) driver has been added. This supports PCI devices with class 8 and subclass 5 according to the SD Host Controller Specification.
- Various network interface drivers have been improved, including ae(4), ath_hal(4), axe(4), bce(4), cxgb(4), fxp(4), igb(4), jme(4), msk(4), mxge(4), nfe(4), re(4), rl(4), sis(4), and txp(4).
- The btpand(8) daemon from NetBSD has been added. This daemon provides support for Bluetooth Network Access Point (NAP), Group Ad-hoc Network (GN) and Personal Area Network User (PANU) profiles.
- The jail(8) subsystem has been updated. Changes include:
- Multiple addresses of both IPv4 and IPv6 per jail has been supported. It is even possible to have jails without an IP address at all, which basically gives one a chrooted environment with restricted process view and no networking.
- SCTP ( sctp(4)) with IPv6 in jails has been implemented.
- Specific CPU binding by using cpuset(1) has been implemented. Note that the current implementation allows the superuser inside of the jail to change the CPU bindings specified. This behavior will be fixed in the next release.
- A jail(8) can start with a specific route FIB now.
- A show jails subcommand in ddb(8) has been added.
- Compatibility support which permits 32-bit jail binaries to be used on 64-bit systems to manage jails has been added.
- Note that both version numbers of jail and prison in the jail(8) have been updated for the new features.
FreeBSD 7.2 version notices:
The doDownload.com constantly monitors the update of all programs, including information from FreeBSD 7.2 changelog, however sometimes it can happen that data are not complete or are outdated.We assume that the The FreeBSD Project continues to develop FreeBSD 7.3 with further advanced features, and soon you will find it here. Equally important upgrades of program FreeBSD 8.0 download we will continue to watch. To read more about the FreeBSD 8.0 software evaluations visit us again soon.
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