6.4. The filing system interface
In Section 6.3 we introduced the main abstractions used within a typical filing system. In this section we will examine the interfaces through which these are accessed. The filing system interface will contain operations such as those listed in Tables 6.1 and 6.2. Filing systems differ, however, so this set of operations should not be considered definitive. The operations are given in general terms because filing system interfaces may differ in syntax.
UFID is used as an abbreviation for the user-file-identifier introduced in Section 6.2 above and illustrated in Figure 6.1. This may or may not be the same as the system-file-identifier, SFID, introduced in Section 6.3. The filing system may return a given user ...
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