@book{295,
	author = {"Stallings, William"},
	title = {Operating systems},
	publisher = {Prentice Hall },
	year = {2005},
	address = {New Dehli},
	edition = {5th},
	url = {https://libgen.is/book/index.php?md5=E8A705E38CF3A8576620995AC6BB6F53}
}