Some operating systems have a tree–structured file system but limit the depth of the tree to some small number of levels. What effect does this limit have on users? How does this simplify file system design (if it does)?
Answer to relevant QuestionsConsider a hierarchical file system in which free disk space is kept in a free space list. a. Suppose the pointer to free space is lost. Can the system reconstruct the free space list? b. Suggest a scheme to ensure that the ...What are some of the key characteristics of an embedded OS? The discussion of eCos spinlocks included an example showing why spinlocks should not be used on a uni-processor system if two threads of different priorities can compete for the same spinlock. Explain why the problem still ...Briefly describe the difference between DAC and RBAC. User “ahmed” owns a directory, “stuff,” containing a text file called “ourstuff.txt” that he shares with users belonging to the group “staff.” Those users may read and change this file, but not delete it. ...
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