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English: This PDF displays the movements of the internal Conus docking cones within the Mir core module's forward docking hub over the lifetime of the station. Most Conus movements were made by cosmonauts during internal EVAs lasting approximately 20 minutes, as the Conus placement required removing one of four outer hatches exposing the pressurised hub to the vacuum of space.
DragonFly BSD is a free and open-source Unix-like operating system forked from FreeBSD 4.8. Matthew Dillon, an Amiga developer in the late 1980s and early 1990s and FreeBSD developer between 1994 and 2003, began working on DragonFly BSD in June 2003 and announced it on the FreeBSD mailing lists on 16 July 2003.
HAMMER file system provides configurable fine-grained and coarse-grained filesystem histories with online snapshots availability. Up to 65536 master (read–write) and slave (read-only) pseudo file systems (PFSs), with independent individual retention parameters and inode numbering, may be created for each file system; PFS may be mirrored to multiple slaves both locally or over network ...
Dragonfly: NASA and the Crisis Aboard Mir (ISBN 0-88730-783-3) is a 1999 book by Bryan Burrough about the Russian Mir space station and the cosmonauts and astronauts who served aboard. The story centres on astronaut Jerry Linenger and the events on the Shuttle and Mir Space Programme in 1997. Personnel covered in the book
FreeBSD supports soft updates for the UFS file system [1] and they have been enabled by default during installation for many years. Soft updates are manually enabled or disabled during file system creation with an option to the newfs command. [2] They can be disabled or enabled anytime thereafter with an option to the tunefs command. [3]
HAMMER2 is a successor to the HAMMER filesystem, redesigned from the ground up to support enhanced clustering.HAMMER2 supports online and batched deduplication, snapshots, directory entry indexing, multiple mountable filesystem roots, mountable snapshots, a low memory footprint, compression, encryption, zero-detection, data and metadata checksumming, and synchronization to other filesystems or ...
Concerned with problems he saw in the direction FreeBSD 5.x was headed in regards to concurrency, [10] and coupled with the fact that Dillon's access to the FreeBSD source code repository was revoked due to a falling-out with other FreeBSD developers, he started the DragonFly BSD project in 2003, implementing the SMP model using light-weight ...
Draganflyer X6 is a remote-controlled miniature helicopter that allows users to control it to a maximum height of 8,000 feet (2,400 m). It allows for a fixed altitude to be set.