Differences between current version and revision by previous author of Tmpfs.
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Newer page: | version 4 | Last edited on Friday, October 19, 2007 4:47:55 pm | by AristotlePagaltzis | |
Older page: | version 3 | Last edited on Friday, October 19, 2007 12:39:01 pm | by LawrenceDoliveiro | Revert |
@@ -1,9 +1,10 @@
-A FileSystem that lives entirely in the Linux
filesystem cache
in order to offer greatly accelerated access times to its contents. In constrast to
a [RamDisk] it does not simulate a block device, so it
can grow and shrink as needed to accomodate
the files it hosts. Together with the large amounts of RAM modern machines are typically equipped with, its impact on the memory available to other processes is nowadays often negligible. Because it does not occupy a disk [Partition]
, files stored on a [Tmpfs] vanish when the system shuts down.
+A FileSystem that lives entirely in the [Kernel]'s
filesystem [Cache]
in order to offer greatly accelerated access times to its contents. Unlike
a [RamDisk] it does not simulate a block device, and
can therefore
grow and shrink as needed to accommodate
the files it hosts. Of course
, files stored on in-memory FileSystems like RamDisk~s or
a [Tmpfs] vanish when the system shuts down.
-Any partition that will have many, frequently accessed, small files which do not require permanent storage is a good candidate for [Tmpfs]. Of all the directories in the FileSystemHierarchy, __
/tmp__
is the canonical candidate.
+Any partition that will have many, frequently accessed, small files which do not require permanent storage is a good candidate for [Tmpfs]. Of all the directories in the FileSystemHierarchy, <tt>
/tmp</tt>
is the canonical candidate. Because [Tmpfs] only takes up as much space as needed, putting <tt>/tmp</tt> on a [Tmpfs] tends to reduce the memory available to other processes by only a negligible amount on modern machines equipped with large amounts of [RAM]
.
-See [this article
|http://linuxdevices.com/articles/AT4017834659.html] for a more detailed explanation.
+!!
See also
+
+*
[Introducing initramfs, a new model for initial RAM disks
| http://linuxdevices.com/articles/AT4017834659.html] – explains how tmpfs and several other in-memory FileSystems relate to each other
-----
-CategoryFileSystem%%%
-
CategoryOtherFileSystem
+Part of
CategoryFileSystem and
CategoryOtherFileSystem