The free command in Linux is used to show memory utilization. When run without any options, you can see the used and available space of swap and physical memory. By default, the option is displayed in kilobytes but when run with a -b option it is shown in bytes or -m will show in megabytes or -g in gigabytes or -t in terabytes. So to see the free space in bytes run the following: free -b The -o option shows the output adjusted for the buffer. The -t option also adds a total column as well as a line for total that shows swap and physical, combined. The -s will update…