http://www.ixpub.net/viewthread.php?tid=737887&page=1#pid6185003
# free | sed -n 2p | awk '{print "used="$3/$2*100"%","free="$4/$2*100"%"}'
used=28.6574% free=71.3426%
2021-09-04 02:41:41
http://www.ixpub.net/viewthread.php?tid=737887&page=1#pid6185003
# free | sed -n 2p | awk '{print "used="$3/$2*100"%","free="$4/$2*100"%"}'
used=28.6574% free=71.3426%