![]() Compressing and decompressing gz files using the GUI method (Graphical User Interface).Compressing and decompressing gz files using the Command-Line Interface.In Linux, there are two methods for unzipping your gz file: In this article, we’ll show you how to extract or unzip gzip files using commands like gzip, gunzip, and zcat. The extension of gzip files is usually *.gz or *.z. In Linux and Unix-based operating distributions, gzip compression is widely popular. You might also search the web to find sites that provide compression/uncompression software for various platforms.Gzip is a widely used compression technique and tool for reducing the size of data. They provide an archive of Frequently Asked Questions (FAQs) at: You can find additional information about compression/uncompression utilities on the Compression Newsgroup. The Apple home page ( ) and the Apple Support page ( ) might also provide information about compression and uncompression of various file types on the Mac. MIT Laboratory for Computer Science, Mirror site of the Info-Mac ArchiveĪ search of the web for terms such as "Mac" and "compress" will find other sites as well.One example web site that provides information about various Mac compression/uncompression programs is: Have been prepared with the Unix compress program. That have a program such as "MacCompress," which handles files that If you are using a Mac, you can search the Web to find sites Or, you can leave off the ".exe" portion and simply type the command: Copy the "compress.exe" to "uncomp.exe" using the following command:.Rename the "comp430d.exe" file to "compress.exe" with the. ![]() Run the "pkunzip" program to unzip "comp430d.zip.".Once you download the "comp430d.zip" file, follow these steps: It allows you to decompresses Unix ".Z" files under DOS. The "pub/dab" directory the NCBI anonymous FTP site The "comp430d.zip" freeware program is available from Or search the Net to find a Web site from which you can Please contact your systems administrator to obtain it, ![]() If you do not already have the pkunzip program on your PC, (pkunzip & comp430d.zip) in order to uncompress a *.Z file. If you are using a PC, you will need two programs If you are using a UNIX workstation, use the uncompress program to expand the files to their original state. Those files can be handled with the Unix "uncompress" program, or programs such as the PC and Mac utilities described below. Installed, one possible place for obtaining gzip is: įiles with a *.Z extension have been compressed by the UNIX "compress" program. ![]() If you are unsure about the availability of gzip for your platform, pleaseĬontact your system administrator. The gzip utility is used to compress various other data on the ftp site as well. The suffix of compressed GenBank data files was previously ".Z". Of disk space, and reduces the amount of bandwidth utilized by those whoĪs a result of the switch to gzip, file naming conventions have changed. GenBank data NCBI distributes, switching to gzip saves a great deal Given that ESTs and GSS sequences comprise a huge portion of the GenBank files, starting with GenBank Release 119.0.Ĭomparisons of gzip to compress for simplistic sequence data (e.g., EST, GSS, STS) yielded an additional 50% reduction in the size of a compressed file. Gzip compression utility instead of the Unix "compress" utility for all This document describes how both file types can be uncompressed.Īs announced via the GenBank newsgroup on June 15, 2000, NCBI now uses the The "gzip" program (and have the extension *.gz), or the UNIX "compress" program (and have the extension *.Z). The human genome, whole genomes and related resourcesįiles available from the NCBI anonymous FTP site have been compressed using An introduction for researchers, educators and the public. ![]()
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