Nemeth, E., Snyder, G., Hein, T. R., Whaley, B., & Mackin, D. (2018). Unix and linux system administration handbook (Fifth edition.). Addison-Wesley.

Nemeth, Evi, Garth Snyder, Trent R. Hein, Ben Whaley, and Dan Mackin. Unix and Linux System Administration Handbook. Fifth edition. Boston, MA: Addison-Wesley, 2018.

Nemeth, Evi, et al. Unix and Linux System Administration Handbook. Fifth edition. Addison-Wesley, 2018.