@BOOK{ Book!D - 104534668,
AUTHOR = "Mark G.Sobell",
TITLE = "A practical guide to the Unix systems",
LIBRARY= "کتابخانه مرکزی و مرکز نشر دانشگاه بیرجند (دکتر محمد حسن گنجی)",
SUBJECT = "، UNIX )computer operating system(",
URL = "/book/104534668/A-practical-guide-to-the-Unix-systems/"}