Bresnahan, Christine Mastering :Linux system administration / Christine Bresnahan, Richard Blum - Canada: Sybex , 2021 - 548 p. : il.l ; 24 cm. ISBN: 9781119794455 Subjects--Topical Terms: Linux operting systems (Computers).Operting systems (Computers). LC Class. No.: QA76.76.O6 / .B73 2021