file size vs size on disk

The quality management of disks in WIN2012R2 is a good feature that we have to say, storage quality of Service (QoS): Using storage QoS, you can manage the storage throughput of virtual hard disks accessed by virtual machines. With storage QoS, you

In the work and daily programming often need to determine the size of the file, some basic view of the way to do a summary.A. Linux shell EnvironmentDF can view the first-level folder size, usage scale, file system and its hang-in points, but there

Document directory SuSE 7.0 SuSE 7.1 SuSE 7.2 and newer Other Distributions Maximum on-disk sizes of the filesystems Maximum number of partitions Large file support in Linux To support files larger than 2 gib on 32-bit systems, e.g.

Basic disks vs. dynamic disksThe way disks are used can be divided into two categories: one is "basic disk". Basic disks are very common, and the types of disks we use are basically "basic disks". "Basic Disk" is limited by 26 English letters, which

The file system on Linux is generally EXT2 or EXT3, but this article is not ready to talk about them directly, but I want to combine the Linux operating system and from the foundation of the file system-the hard disk to start, step-by-step

When we use VS to develop a project, we should first understand what it means to use vs the IDE to generate some files and folders, what it does, and what the situation is.Because I'm using VS2015, let's take this as an example to illustrate:The

File directory Management class command vs. Shell featuresFirst, list the contents of the directory.LS: Lists the contents of the current directory or the specified directoryUsage: ls[options][file_or_dirs]Options:Ls-a List all FilesLS-L Display

Disk-level ConceptsThis is mainly about the online so-called old-fashioned disk, it is composed of a platter, we start from a disc structure. 1, the graph of a circle of gray concentric circle for a track, from the center to draw a straight line,

Data File fragmentsTwo main factors affecting disk read performance: track recording time and polling latency.When querying data, there are two disk read Methods: sequential read and random read. Random read occurs when a table or index is scanned,

disk-level conceptsThis is mainly about the online so-called old-fashioned disk, it is composed of a platter, we start from a disc structure. 1, the graph of a circle of gray concentric circle for a track, from the center to draw a straight line,