$[$if stumped, try googling it$!]$

$\backslash$table$[[5,\backslash$table$[[$Create new directory named junk under your current$],[$working directory$]],$mkdir junk$],[6,$Change access permission of directory junk to $700,$chmod $700$ junk$]]$

$\backslash$table$[[7,\backslash$table$[[$Do directory listing in long format of directory junk$],[$as only entry$]],$ls $-$d $-1$ junk$],[8,\backslash$table$[[$Do directory listing in long format of files and$],[$directories under directory junk$]],1$s $-1$ junk$]]$