) Consider a situation where external sort-merge is applied to relation R. Assuming that 1GB of main memory is used to create each initial run, explain how many initial runs will be created. Also, describe how many block transfers and disk seeks will be needed to create all of these initial runs.

Answer the following questions regarding your system by using the commands listed in this chapter. for each question, write the command you used to obtain the answer. a. what are the total number of inodes in the root filesystem? how many are currently utilized? how many are available for use? b. what filesystems are currently mounted on your system? c. what filesystems are available to be mounted on your system? d. what filesystems will be automatically mounted at boot time?