Note: Answer all questions 1) Complete the following table with an appropriate description for the given UNiX command (10 marks) Command Description cd less science.txt we - science,txt Is ?P.pmu*, txt rmDir1) find.-type f-atime +30-print cat file2.txt file 1.txt sleep 10 \& find. - name "* , xt"1-print 2) Complete the following table with an appropriate UNIX command (10 marks) \begin{tabular}{|l|l|} \hline Command & Description \\ \hline & Remove the user PMU \\ \hline & Find out how many users are logged on, \\ \hline & UseSymbolicmode:assignexecutablepermissiontotheownerofthefilenamednote.txt \\ \hline & Use Symbolic mode: UNIX command to make all \\ \hline \end{tabular} files and sub-directories in the directory progs executable by all users? UNIX commands to assign all permissions to the owner, read and write permissions to the group and only executable permission to the others of the file note.txt? UNIX command to make a file pmu.txt readable, writable and executable to the owner, readable and executable to group and others Find the number of lines without the words pmu or Pmu in a file named pmu.txt Terminate the process identified by process id 2341 Redirect date UNIX command to pmu.txt UNIX command to find all lines in the file pmu.txt that contained the word pmu