difference between kb and mb file size

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PHP algorithm-Sort file size (kb, MB, GB, Tb)

Having stayed at school, I went over PhP and looked at the previously written functions. I suddenly wanted to write the known file size and sort the data. For example: 1.3G, 153 MB, 458kb, 998 m, 0.99g (the difference between MB and MB is not

Performance Analysis of 4 kb large-sector hard disks

  Some time ago, I published an article titled the appearance and Analysis of Large-sector hard disks"To illustrate the emergence of large-sector hard disks in, and some readers have also sent a letter to ask, here, reprinted an article by

Difference between nor flash and nand flash based on stm32, and between RAM and Rom

Rom and RAM are both semiconductor memory, Rom is short for read only memory, and Ram is short for random access memory. ROM can still maintain data when the system stops power supply, while Ram usually loses data after power loss. A typical Ram is

Linux hard disk Performance Detection and linux hard disk Detection

Linux hard disk Performance Detection and linux hard disk Detection For today's computers, the performance of the entire computer is mainly affected by the disk I/O speed, and the speed of memory, CPU, and motherboard bus has become very fast.Basic

Move Oracle (rejoice999) between Unix bare devices and file systems)

Dd description: Assume that I have a file named aaa.gz with a size of 81234 kb. I want to use the DD command to implement the following Backup results: first, divide the snapshot into three shards. The first Shard is the first 10000 KB of the

Differences between nor flash and NAND Flash, and between RAM and Rom

Rom and RAM are both semiconductor memory, Rom is short for read only memory, and Ram is short for random access memory. ROM can still maintain data when the system stops power supply, while Ram usually loses data after power loss. A typical Ram is

Difference between form get and post data submission

1. Get adds the parameter data queue to the URL referred to by the Action attribute of the submission form. The values correspond to each field in the form one by one and can be seen in the URL. Post uses the http post mechanism to place fields in

Windows CE process, thread, and memory management (3)

Iii. Memory Management Like other Windows operating systems, Windows CE. Net also supports 32-bit virtual memory, on-demand memory allocation, and memory ing files. However, it is significantly different from other Windows operating systems. After

Free command output Parsing

From: http://www.cnblogs.com/iroultron/archive/2011/12/25/2301362.html   I believe many of my colleagues are not very familiar with the buffers cached in the free command. Today I will make a detailed analysis of the results of the free command

Windows CE Memory Management

Memory ManagementIf you encounter the most important problem in writing a Windows CE program, it must be a memory problem. A wince system may only have 4 mb ram, which is very small compared to a PC, because the standard configuration of the PC has

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