WALAI AutoLIB – RSSRSSWALAI AutoLibHarley hahn's student guide to unix /Harley Hahn.http://www.opac.sskru.ac.th/opac/catalog/BibItem.aspx?BibID=b00032151<img src="https://www.opac.sskru.ac.th/bookcover/32151/32151-fc-t.gif" align="left" height="150" width="120"/>130118Unix system administration :a beginner's guide /Levi Reiss, Joseph Radin .http://www.opac.sskru.ac.th/opac/catalog/BibItem.aspx?BibID=b00004257<img src="https://www.opac.sskru.ac.th/bookcover/4257/4257-fc-t.gif" align="left" height="150" width="120"/>520404