DragonFly BSD 4.0.5

A BSD distribution and environment that borrows many features from other BSD operating systems

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What's new in DragonFly BSD 4.0.3:

  • Updates OpenSSL to 1.0.1l
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LICENSE TYPE:
BSD License 
OUR RATING:
5.0/5
DEVELOPED BY:
The DragonFly Team
USER RATING:
3.0/5 50
HOMEPAGE:
www.dragonflybsd.org
CATEGORY:
ROOT \ System \ Operating Systems \ Other
3 DragonFly BSD Screenshots:
DragonFly BSDDragonFly BSDDragonFly BSD
DragonFly is an open source BSD operating system designed to be the logical continuation of the FreeBSD-4.x OS series. It is very similar to other BSD-based distributions, such as FreeBSD, NetBSD or OpenBSD. It is a fork in the path, so to speak, giving the BSD base an opportunity to grow in an entirely new direction from the one taken in the FreeBSD-5 series. On top of that, it includes an unique set of features that differentiate it from other similar OSes.

HAMMER is the main attraction

HAMMER is DragonFly’s main attraction, a modern, high performance filesystem that features historic access functionality and built-in mirroring. The kernel is also one of the reasons why DragonFly is a better BSD distribution.

Offers two different schedulers for the kernel

DragonFly’s kernel includes two different schedulers, one that schedules all executable entities (Light Weight Kernel Thread) and another one that selects a single user thread at a time for each processor and abstracts out user threads (User Thread Scheduler). Additionally, the kernel features a complex kernel memory allocator comprised of an object-oriented memory allocator and a basic kernel malloc called kmalloc(), the DragonFly device filesystem (DEVFS), a virtual kernel (VKERNEL), NFS V3 RPC asynchronization, and a disk I/O scheduler framework (dsched).

Features, lots of features

Among other interesting features, we can mention the NULL Filesystem Layer (NULLFS ) that supports non-looping arbitrary mount points, TMPFS (Temporary Filesystem VFS), transparent disk encryption, managed SSD (Solid Storage Device) support, variant (context-sensitive) symlinks, DNTPD (DragonFly Network Time Daemon) and DMA (DragonFly Mail Agent). In addition, users will be able to checkpoint or suspend processes to disk at any time. The distro provides strong AHCI drivers, stable device names, as well as well grounded encryption and volume management.

Bottom line

Overall, DragonFly proves to be a modern, user-friendly and very accessible UNIX-like operating system. It can be used on a daily basis as a desktop system or as a powerful BSD server.

DragonFly BSD was reviewed by , last updated on March 23rd, 2015

#operating system #BSD distribution #UNIX distro #DragonFly #BSD #distribution #UNIX

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