How can I check RAM of my laptop? [duplicate]

RAM: 2143MiB / 3798MiB

What does this means ? I cannot even know about my laptop's RAM

2 Answers

On the command line you can use:

free

to check your (free/available) RAM. Also do:

man free

You could as well use either top (preinstalled) or htop to monitor your memory usage.

It adds some details free doesn't (context to running processes)