Open a terminal window$\mathrm{.}2.$ Display your current working directory$\mathrm{.}3.$ Using an absolute pathname, switch to the $/$etc directory$\mathrm{.}4.$ Using a relative pathname, move to the $/$etc$/$skel directory$\mathrm{.}5.$ Using a relative pathname, move up one directory$\mathrm{.}6.$ List the files in the current directory$\mathrm{.}7.$ Perform a long display listing of the files in the current directory$\mathrm{.}8.$ List all the files in the current directory that begin with the letter s$\mathrm{.}9.$ Run the command that will determine the type of contents in the $/$etc$/$group file$\mathrm{.}10.$Display only the last five lines of the $/$etc$/$group file$\mathrm{.}11.$ Execute the command to return to your home directory$\mathrm{.}12.$Make a directory named data in the current directory$\mathrm{.}13.$Copy the $/$etc$/$passwd file into the data directory$\mathrm{.}14.$Copy the $/$etc$/$ppp directory into the current directory $($and ignore any Permission denied error messages$).$