gzip bzip2

I recently wroteAlgorithm, Which can be used for (Key, value) storage. The key is of the string type. Use a 2.3 gb url set for testing. If the space occupied by value is not counted, the storage space of the key set can be compressed.70 times!

You can go to the http://www.icsharpcode.net/opensource/sharpziplib/ to download the latest version of SharpZiplib, the version used in this article is 0.86.0.518, support Zip, GZip, BZip2 and Tar format, in fact there is no good to say directly on

Use makeself to create the installation file and makeself to create the file Makeself.shis a small shellscript used to generate a self-decompressed tar.gz compressed package from a directory. The result file is displayed as a shell script (most with.

A detailed example of compression decompression commands under LinuxExample: compressing the contents of the current directory on the server as a xxx.zip fileZip-r xxx.zip./*Unzip the zip file to the current directoryUnzip Filename.zip===============

You can download the latest version of SharpZipLib to http://www.icsharpcode.net/opensource/sharpziplib/, support zip, GZip, BZip2 and tar formats, the author's project code is as follows Using System;Using System.Collections.Generic;Using

The most common packaging program under Linux is tar, which is often referred to as the TAR package, and the tar package file commands are usually terminated with. Tar. After the tar package is generated, you can use other programs to enter theRow

7za.exe:http://www.7-zip.org/a/7za920.zip7za [ ...] [ ...]A addU update1. Path or file names with spaces must be enclosed in quotation marks, wildcard (wildcards) are limited to file names, and wildcards and characters cannot be used in a

Binary distribution of Linux software refers to the release form of a package that has been compiled in advance in binary form, with the advantage that installation is easy to use, the disadvantage is lack of flexibility, and if the package is

Hive Data Typeunderlying data type:Tinyint,smallint,int,bigint,boolean,float,double,string,binary,timestamp,decimal,char,varchar,date.Complex data types:Includes Array,map,struct,union, which are composed of the underlying types.The Array:array type

Source: http://www.cnblogs.com/chinanetwind/p/3715809.htmlJson.NET http://json.codeplex.com/Json.NET is a highly efficient. Net framework that reads and writes Json. Json.NET makes the. NET environment, it is much easier to use JSON. With LINQ to

Hive file Format1, TextfileDefault file formatData does not compress, disk overhead, data parsing overhead, can be combined with gzip, BZIP2 use (System Auto-detection, automatic decompression when executing queries)Data is not segmented by hive, so

Although Gzip and bzip2 can also be compressed for the directory, the compression of the directories by both commands refers to the act of compressing all files in the directory "separately". Tar can package multiple directories or files into a

One linux command every day (28): tar command link: One linux command every day (1): ls command http://www.2cto.com/os/201210/163049.html ; One linux command every day (2): cd command http://www.2cto.com/os/201210/163050.html A linux command every

When installing and uninstalling software in Linux in Windows, you only need to run the software installation program (setup, install, etc.) or unzip the software by using zip to complete the installation, run the anti-installation program

Uninstall: rpm-epackgename description: RPM (RedHatPackgeManager) is a software package manager issued by RedHat, you can easily install, upgrade, uninstall, verify, and query rpm software packages. the installation is simple, and the installation

In terms of file systems, Linux can be regarded as a Swiss Army knife in the operating system. Linux supports many file systems, from log file systems to cluster file systems and encrypted file systems. what is a file system? The file system

The purpose and technology of a compressed file 1 currently our computer uses byte for measurement, but in fact the smallest unit of measurement of the computer is bit. We know that 1 byte = 8bit2 in simple terms, there will be a lot of & ldquo;

Json.NET http://json.codeplex.com/Json.NET is a highly efficient. Net framework that reads and writes Json. Json.NET makes the. NET environment, it is much easier to use JSON. With LINQ to JSON, you can quickly read and write JSON, and you can

 Case 1:Crunch 1 8#生成最小1位, maximum 8 bits, all combinations of 26 lowercase letters as elements Case 2:Crunch 1 6 ABCDEFG#生成Minimum is 1 and the maximum is 6. All combinations of elements by ABCDEFG  Case 3:Crunch 1 6 abcdefg\#生成Minimum is 1 and the

7-Zip is a compression software that claims to have the highest compression ratio today. It not only supports the unique 7z file format, but also supports a variety of other compression file formats, including ZIP, rar, cab, Gzip, Bzip2, tar, etc.