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- QNX4FS abstract "QNX4FS is an extent-based file system used by the QNX4 and QNX6 operating systems.As the file system uses soft updates, it remains consistent even after a power failure, without using journaling. Instead, the writes are carefully ordered and flushed to disk at appropriate intervals so that the on-disk structure always remains consistent, no matter if the operation is interrupted. However, unflushed changes to the file system are nevertheless lost, as the disk cache is typically stored in volatile memory. This design has a considerable performance gain over journaling, by just bypassing that step.[citation needed]Another notable property of this file system is that its actual metadata, like inode information and disk bitmaps, are accessible in the same way as any other file on the file system (as /.inodes and /.bitmap, respectively). This is consistent with QNX's (in fact, Plan 9 from Bell Labs's, or historically Unix's) philosophy that "everything is a file".".
- QNX4FS wikiPageExternalLink www.qnx.com.
- QNX4FS wikiPageExternalLink QNX4.
- QNX4FS wikiPageExternalLink partition_types-1.html.
- QNX4FS wikiPageID "648566".
- QNX4FS wikiPageRevisionID "572125488".
- QNX4FS hasPhotoCollection QNX4FS.
- QNX4FS subject Category:Disk_file_systems.
- QNX4FS comment "QNX4FS is an extent-based file system used by the QNX4 and QNX6 operating systems.As the file system uses soft updates, it remains consistent even after a power failure, without using journaling. Instead, the writes are carefully ordered and flushed to disk at appropriate intervals so that the on-disk structure always remains consistent, no matter if the operation is interrupted.".
- QNX4FS label "QNX4FS".
- QNX4FS sameAs m.02_dsv.
- QNX4FS sameAs Q7265501.
- QNX4FS sameAs Q7265501.
- QNX4FS wasDerivedFrom QNX4FS?oldid=572125488.
- QNX4FS isPrimaryTopicOf QNX4FS.