Что означает стабильность дистрибутива Linux и насколько это важно для обычных пользователей?

sed - e '
   s/^[[:blank:]]*//;   # trim any leading blanks from the current line read in
   s/[[:blank:]]*$//;   # trim any trailing blanks from the current line read in
   s/"/\\"/g;           # escape any double quotes which might exist in the current line read in
   H;1h;                # append the current line to the hold space, in case of first store as is
   $!d;                 # not yet EOF, drop everything and go back to reading the next line
   g;                   # @ EOF, fetch the hold space: line1\nline2\nline3\n....\nlineEND
   s/\n/","/g;          #  line1","line2","line3","....","lineEND
   s/.*/"&"/;           # "line1","line2","line3","....","lineEND"
' input