From the man watch page: “The -d or --differences flag will highlight the differences between successive updates.”
Try
watch -d -n 3 "free -m"
The above command would highlight the differences in memory consumption every 3 seconds.
From the man watch page: “The -d or --differences flag will highlight the differences between successive updates.”
Try
watch -d -n 3 "free -m"
The above command would highlight the differences in memory consumption every 3 seconds.