25:
300:, Plan 9's network filesystem, studies suggest using synthetic filesystems as universal access scheme to that information. The major benefit is that 9P is very simple and so quite easy to implement in hardware and can be easily used and over virtually any kind of network (from a serial link up to the internet).
280:
Plan 9 drives this concept expansively: most operating system services, e.g. hardware access and networking stack are presented as fileservers. This way it is trivial to use these resources remotely (e.g. one host directly accessing another host's block devices or network interfaces) without the need
276:
method. Contrary to most other operating systems, Plan 9's design is heavily distributed: while in other OS worlds, there are many (and often large) libraries and frameworks for common things, Plan 9 encapsulates them into fileservers. The most important benefit is that applications can be much
292:
Debugging embedded systems or even system-on-chip (SoC) devices is widely known to be difficult. Several protocols have been implemented to provide direct access to in-chip devices, but they tend to be proprietary, complex and hard to handle.
239:
The /sys filesystem on Linux complements /proc, by providing a lot of (non-process related) detailed information about the in-kernel status to userspace. More traditional Unix systems locate this information in sysctl calls.
277:
simpler and that services run network and platform agnostic - they can reside on virtually any host and platform in the network, and virtually any kind of network, as long the fileserver can be mounted by the application.
312:. Once a noticeable number of applications use this scheme, the overall overhead (code, resource consumption, maintenance work) can be reduced significantly. Many general arguments for SOAs also apply here.
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The benefit of synthetic file systems is that well-known file system semantics can be reused for a universal and easily implementable approach to
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Arguments against synthetic filesystems include the fact that filesystem semantics may not fit all application scenarios. For example, complex
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objects via a filesystem. Applications can work on remote objects via the OBEX protocol as if they were simply (local) files.
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160:. Clients can use such a file system to perform simple file operations on its nodes and do not have to implement complex
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Other implementations of the 9P file system protocol also exists for many other systems and environments.
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with many parameters tend to be hard to map to filesystem schemes, and may require application redesign.
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A virtual filesystem framework to support embedded software development
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149:. The common term for both regular files and the non-file objects is
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168:. For most operations, common file utilities can be used, so even
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In the Unix-world, there is commonly a special filesystem
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On-Chip
Filesystems to support Complex Embedded Systems
212:. For each process, there is a directory (named by the
137:. These non-file objects may be accessed with the same
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Why Plan9 is not dead And What we can learn from it
179:and is generally regarded to have originated from
337:"proc page from Section 4 of the unix 8th manual"
358:"Proc page from Section 3 of the plan 9 manual"
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204:. This filesystem is implemented within the
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272:synthetic filesystem is used as a generic
252:-based filesystem that provides access to
109:Learn how and when to remove this message
268:operating system family, the concept of
201:
328:
45:Please improve this article by adding
403:The 9P synthetic-file-system protocol
7:
14:
1869:Object-oriented operating system
208:and publishes information about
23:
1879:Supercomputer operating system
310:service-oriented architectures
1:
164:methods and other aspects of
47:secondary or tertiary sources
2280:Special-purpose file systems
1854:Just enough operating system
1839:Distributed operating system
162:message encoding and passing
1967:User space and kernel space
1622:Filesystem-level encryption
2296:
1874:Real-time operating system
469:Comparison of file systems
175:This is commonly known as
158:interprocess communication
2070:Multilevel feedback queue
2065:Fixed-priority preemptive
1849:Hobbyist operating system
1844:Embedded operating system
1532:
1248:
498:
464:
281:of additional protocols.
2113:General protection fault
1864:Network operating system
1818:User features comparison
1572:Extended file attributes
1273:Compact Disc File System
1859:Mobile operating system
1671:Installable File System
58:"Synthetic file system"
1962:Loadable kernel module
719:TiVo Media File System
583:Encrypting File System
317:remote procedure calls
34:relies excessively on
16:Hierarchical interface
2030:Process control block
1996:Computer multitasking
1834:Disk operating system
714:Macintosh File System
266:Plan 9 from Bell Labs
235:Linux /sys filesystem
229:Plan 9 from Bell Labs
145:as regular files and
127:synthetic file system
2201:Virtual tape library
1793:Forensic engineering
1727:GUID Partition Table
1074:Distributed parallel
822:Shared File System (
414:PISUPATI, Bhani N.:
379:"9P Implementations"
177:everything is a file
166:protocol engineering
2210:Supporting concepts
2196:Virtual file system
1732:Apple Partition Map
1678:Virtual file system
1617:Access-control list
731:NetWare File System
260:Plan 9 file servers
2133:Segmentation fault
1981:Process management
1722:Master Boot Record
1547:Data deduplication
1186:Google File System
1102:Google File System
588:Extent File System
550:Byte File System (
131:pseudo file system
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2123:Memory protection
2094:Memory management
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2080:Shortest job next
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830:Smart File System
408:BROWN, Geoffrey:
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2222:Computer network
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1557:Execute in place
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1263:Boot File System
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288:Embedded systems
192:/proc filesystem
143:utility programs
123:computer science
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1497:Record-oriented
1470:Self-certifying
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360:. Man.cat-v.org
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339:. Man.cat-v.org
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224:, mounts, etc.
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172:is quite easy.
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40:primary sources
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810:Reliance Nitro
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670:Classic Mac OS
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541:Be File System
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420:Minnich, Ron:
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397:External links
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381:. 9p.cat-v.org
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2118:Memory paging
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1957:Device driver
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1696:Cryptographic
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1015:wear leveling
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304:Pros and cons
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60: –
59:
55:
54:Find sources:
48:
42:
41:
37:
32:This article
30:
26:
21:
20:
2153:file systems
2045:Time-sharing
1661:File manager
1511:
1230:
1131:
957:Flash memory
924:Optical disc
862:soft updates
842:Soup (Apple)
492:non-rotating
458:File systems
383:. Retrieved
373:
362:. Retrieved
352:
341:. Retrieved
331:
314:
307:
295:
291:
283:
279:
263:
248:ObexFS is a
247:
238:
226:
195:
174:
155:
150:
139:system calls
130:
126:
120:
105:
96:
86:
79:
72:
65:
53:
33:
2171:Device file
2161:Boot loader
2075:Round-robin
2000:Cooperative
1936:Rump kernel
1926:Multikernel
1916:Microkernel
1813:Usage share
1627:Permissions
1242:Specialized
474:distributed
222:memory maps
147:directories
135:file system
99:August 2015
2101:protection
2057:algorithms
2055:Scheduling
2004:Preemptive
1950:Components
1921:Monolithic
1788:Comparison
1653:Interfaces
1637:Sticky bit
1517:Versioning
1482:Journaling
1425:Rubberhose
1221:SMB (CIFS)
1013:host-side
385:2015-08-28
364:2015-08-28
343:2015-08-28
323:References
214:process ID
69:newspapers
36:references
2191:Partition
2108:Bus error
2035:Real-time
2015:Interrupt
1941:Unikernel
1906:Exokernel
1512:Synthetic
1455:Clustered
1402:Encrypted
1333:OverlayFS
942:ISO 13490
518:Amiga OFS
513:Amiga FFS
296:Based on
210:processes
170:scripting
2274:Category
2237:Live USB
2099:resource
1989:Concepts
1827:Variants
1808:Timeline
1597:Symbolic
1526:Features
1502:Semantic
1410:eCryptfs
1354:configfs
1323:SquashFS
1211:POHMELFS
1112:OrangeFS
937:ISO 9660
857:UFS/UFS2
805:Reliance
793:ReiserFS
639:Files-11
533:bcachefs
490:Disk and
187:Examples
2232:Live CD
2186:Journal
2150:access,
2148:Storage
2025:Process
1931:vkernel
1798:History
1781:General
1715:Layouts
1701:Default
1364:debugfs
1338:UnionFS
1232:more...
1165:OpenAFS
1133:more...
798:Reiser4
768:OpenZFS
659:HAMMER2
615:ext3cow
595:Episode
264:On the
198:mounted
83:scholar
2040:Thread
1911:Hybrid
1889:Kernel
1588:Links
1562:Extent
1492:Object
1460:Global
1378:specfs
1374:procfs
1369:kernfs
1347:Pseudo
1328:UMSDOS
1283:Davfs2
1278:cramfs
1216:Hadoop
1196:Lustre
1082:BeeGFS
1048:NILFS2
783:QNX4FS
746:NILFS2
654:HAMMER
644:Fossil
244:ObexFS
218:status
206:kernel
85:
78:
71:
64:
56:
2242:Shell
2181:Inode
1688:Lists
1632:Modes
1477:Flash
1448:Types
1430:SSHFS
1415:EncFS
1392:WinFS
1387:tmpfs
1382:sysfs
1359:devfs
1293:FTPFS
1288:EROFS
1226:SSHFS
1107:OCFS2
1060:UBIFS
1055:YAFFS
1043:NILFS
1038:LogFS
1033:JFFS2
989:EROFS
979:exFAT
884:Xiafs
867:WAPBL
852:UBIFS
763:OneFS
741:NILFS
736:Next3
726:MINIX
632:exFAT
560:Btrfs
528:AthFS
508:AdvFS
202:/proc
129:or a
90:JSTOR
76:books
1803:List
1592:Hard
1584:Fork
1465:Grid
1318:MVFS
1313:NOVA
1308:LTFS
1303:Lnfs
1298:FUSE
1268:CDfs
1258:AXFS
1253:Aufs
1191:GPFS
1176:Coda
1127:Xsan
1117:PVFS
1097:GFS2
1092:CXFS
1087:Ceph
1028:JFFS
1023:CHFS
1004:NVFS
994:F2FS
984:TFAT
969:APFS
959:and
903:z/OS
894:Xsan
879:WAFL
874:VxFS
847:Tux3
837:SNFS
819:SFS
788:ReFS
758:NTFS
710:MFS
696:HTFS
691:HPFS
686:HFS+
649:GPFS
620:ext4
610:ext3
605:ext2
579:EFS
570:CXFS
565:CVFS
552:z/VM
537:BFS
523:APFS
503:ADFS
254:OBEX
250:FUSE
181:Unix
151:node
125:, a
62:news
2259:PXE
2247:CLI
2227:HAL
2217:API
2020:IPC
1435:ZFS
1420:EFS
1206:NFS
1201:NCP
1181:DFS
1171:AFP
1161:AFS
1148:NAS
1122:QFS
999:JFS
974:FAT
961:SSD
947:UDF
932:HSF
913:Sun
909:ZFS
899:zFS
889:XFS
815:RFS
778:QFS
773:PFS
753:NSS
706:LFS
701:JFS
680:MVS
676:HFS
666:HFS
627:FAT
600:ext
575:DFS
274:IPC
200:at
141:or
121:In
38:to
2276::
2002:,
1156:9P
824:VM
298:9P
270:9P
231:.
183:.
153:.
49:.
2096:,
2006:)
1998:(
1766:e
1759:t
1752:v
1167:)
1163:(
915:)
911:(
905:)
901:(
826:)
682:)
678:(
672:)
668:(
554:)
450:e
443:t
436:v
405:.
388:.
367:.
346:.
112:)
106:(
101:)
97:(
87:·
80:·
73:·
66:·
43:.
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