Linux - How to calculate total memory in terminal, Covert Kilobytes to Megabytes or gigabytes through terminal

How to calculate total memory in terminal

When I tried to run size of my memory, I executed below command and found the result in KB

 # grep 'MemTotal' /proc/meminfo   

I can also run free -m or free -g to read the output in MB or GB. But when I have list of values in a text file and convert

those values from KB to GB, then below calculation was very hand for getting the value and perfor calculation.

 # free -m

 # free -g

 # grep 'MemTotal' /proc/meminfo | echo "scale=2; $(awk '{print $2}') / 1024^2" | bc

 # grep 'MemTotal' /proc/meminfo | awk '{$1=$2/(1024^2); printf("%.2f\n", $1) ;}'

You can check the size and current usage of swap space by running the command

 # grep SwapTotal /proc/meminfo

The topic on Linux - How to calculate total memory in terminal is posted by - Ramya

Hope you have enjoyed, Linux - How to calculate total memory in terminalThanks for your time