Naming convention The UN pathname ■From1 eft to right, is seperated by’/ /usr/hello, for example, names a file hello in the file directory usr, which is located in the root of the file system a The dms naming convention From right to left, is seperated by ." Thus the dNs name sales. Wiz. CoM names a DNS entry with the name sales, relative to the DNs entry wiz. COM. The DNs entry Wiz. COM, in turn, names an entry with the name Wiz in the com entryNaming Convention ◼ The UNIX pathname： ◼ From left to right，is seperated by ’/’ ： /usr/hello, for example, names a file hello in the file directory usr, which is located in the root of the file system. ◼ The DNS naming convention ： ◼ From right to left，is seperated by ".". Thus the DNS name sales.Wiz.COM names a DNS entry with the name sales, relative to the DNS entry Wiz.COM. The DNS entry Wiz.COM, in turn, names an entry with the name Wiz in the COM entry