Вопрос по записи данных bash

cat /proc/loadavg | awk '{print "la1: " $1, "la2: " $2}'

awk '{print "la1: " $1, "la2: " $2}' /proc/loadavg >файл

free -m | awk '{print $3}'
free
3733
3537
826

free -m | awk '{print $3}' | tail -n +2

$ free -m | awk '{if ($3 != free) {sum += $3}} END {print sum}'