Which of the following commandsshould be run following the installationof a shared library to update the /etc/ld.so.conf and /etc/ld.so.cache files?a. lddb. updatedbc. ldconfigd. dpkg-reconfigure`

Q13. In file allocation methods, there are three approaches. Contiguous, Linked, and Indexed. (a) Which one does not waste any sectors? (b) Which one require additional sectors? (c) Which one uses extents?

Which of these controls MapReduce job output directory file count? Pick one: a. Partitioner partitions b. Mappers c. Reducers HDFS Block: Pick one: a. It represents data physically b. It represents data logically c. The partitioner divides map intermediate output key-values into partitions to ensure that each reducer gets the same amount of key-value pairs in MapReduce.

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Pelase slove

MULTIPLE CHOICE POWERSHELL   To extract zipped file , you use Zipfile method.a.    True. b.    False. ANSWER: In PS, remove can remove any object like files, directories and functions.a.    True.b.    False.ANSWER:    In PS, if you do not want to ask for permission to remove use __________ parameter.a.    Recursiveb.    Forcec.    Confirmd.    Recurse ANSWER: The Moveitem moves an item from one location to another including properties and contents. a.    True.b.    False. ANSWER:  The rename in PS works differently. It keeps the original name and makes a new object with the new name.a.    True.b.    False. ANSWER:  Parameters in commandlets are required to tell what a command has to do.a.    True.b.    False. ANSWER:     In PS, there is a commandlet that can tell what user has logged in the system, without writing a system function.a.    True.b.    False. ANSWER:    Review the current commandlet.  Get-Content -path C:\servers.txt | Restart-Computer a.    It reads the content of the…

Write the command that can be used to perform the following: Back up the contents of the /var directory (which contains symbolically linked files) to the second nonrewinding SCSI tape device on the system using the tar utility. Append the file /etc/inittab to the archive created in Exercise 2a. Create a tarball called /stuff.tar.gz that contains all files in the /root/stuff directory. Use the cpio utility to back up all files in the /var directory (which contains symbolically linked files) to the first rewinding IDE tape device that has a block size of 5KB. Perform a full filesystem backup of the /var filesystem using the dump utility and record the event in the /etc/dumpdates file. Create an image of the /dev/sdb4 filesystem to the /sdb4.img file. View the contents of the archives created in Exercises 2a, 2c, 2d, and 2e. Extract the contents of the archives created in Exercises 2a and 2c to the /root directory. Extract the contents of the archives created in…

Please do this as Shell.sh and show screenshot of the output

$ Is-I total 4 -rw-rw-r-- 1 student student 138 Jun 8 13:15 foo.txt Which command would change the permissions of the above file foo.txt to rw-------? chmod o-rw foo.txt chmod og-rw foo.txt chmod a-rw sample.txt chmod u-rw foo.txt

The aim of this lab is to familiarize yourself with reading and processing directories aswell as extracting file attributes using the stat() system call. You are essentially writingyour own version of the long format of the ls command. You will need to customize youroutput to match the following specifications: -o: specifies the minimum age of the files (modification timestamp) to be listed fromthe target directory. The -o argument will be followed by an integer (as a separate parameter to make things easier if you wish). This integer will represent the minimumnumber of days old the files can be in order for them to be included in your listing.As an example "-o 3" passed as arguments would mean: list all files that have beenmodified more than 3 days ago (from the current system time).