Command to see the memory information in the Fedora

There is the command to see the memory information in the Fedora as
1. free -m -tThis will show the memory in the MB and along with the total memory.
2. cat /proc/meminfo
This is the file which stores the information related to the memory usage.
3. grep 'MemTotal:' /proc/meminfo
This is the command if you want to check the total memory

So these commands are sufficient for getting the information about the memory.