swap space

Monitoring swap space is an essential duty of a system administrator, which lets the system to function properly according to its memory demands. Swap space monitoring is needed, when the physical memory allocated for the system has been completely utilized, and hence there is no memory space left for use. At that point of time, the system administrators have to swap memory sections to and from the physical storage. The two forms of swap space in Linux distribution are the swap file and the swap partition.Memory management can be done by using the commands like swapon, free, top, atop, htop, glances and vmstat command.