لعبة نجوم الكرة هل تعرف جيدا من هم نجوم كرة القدم؟ والآن حان الوقت لمعرفة ذلك. اختبر نفسك من خلال الإجابة على الأسئلة في أقصر وقت Compressed archives combine multiple files into a single file to make them easier to transport or save on diskspace. Archiving software may also provide options for encryption, file spanning, checksums, self-extraction, and self-installation. Zip is the most-widely used format, used by the Windows operating system and more recently by OSX as well. RAR is also a very popular and flexible format. Unix uses the tar file format, while Linux uses the tar and gz format.