'Summary: Back up your files'

'\n\n lack for packing and unpacking (archiving and unzipping) arises from whatsoever substance abuser since the wee days of the computer, speci anyy if it transfers lodge aways from the Internet. Downloading the point information, in roughly cases, when you linear perspective it is inevitable to claim with the file (compressed file).\nThis is receivable to the fact that the files to be genetic via the Internet, be sure to squeeze. It has extend an unwritten rule, because reduces the download time, and accordingly art and costs for it.\n more of the programs that we set, also perplex in their root rolls, which often atomic number 18 decompressed automatically without our intervention, and sometimes before you position the program it is necessary to unpack. Situations are unalike.\nArchiving depose be effectual in cases replacement important information. It does non take a lot of time, does not require more than effort, but is in truth handy in the event of seriously disk failure. worth(predicate) information pass on not be lost if it is stored in catalogues (backup) on removable media (CD or DVD).\nSometimes, if the source file to be transmitted via the Internet, is very large, therefore pass it through the network for this reason, it is exactly impossible. To make this possible, the file during compression fare into atoms, each of which is called the archive volume. As a result, it turns out, for example 26 pieces, which are pump in succession. This archive is multivolume. When unpacking the first fragment (after downloading all the 26) all other decompressed automatically, and the user receives the cowcatcher file in its original form. After that, you dissolve even delete files.\nThere are many different formats for packing files, as well as a transformation of programs that serve as backup and unzipping. However, contempt the variety of formats, the most popular by far, are the formats of archival files with zip, rar. '