lsmem

lists the characteristics of the system's available memory including block

TLDR

List memory information

$ lsmem

Output as JSON

$ lsmem --json

Show sizes in bytes

$ lsmem --bytes

SYNOPSIS

lsmem [options]

DESCRIPTION

lsmem lists the characteristics of the system's available memory including block sizes, states, and zones. It provides detailed information about memory modules and their configuration.

PARAMETERS

-J, --json

Output in JSON format

-b, --bytes

Print sizes in bytes

-o, --output COLUMNS

Specify output columns

-a, --all

Show all memory blocks

-n, --noheadings

Suppress column headers

-r, --raw

Raw output without formatting

--summary

Print only summary information

CAVEATS

Only available on Linux. Requires sysfs to be mounted. Shows kernel's view of memory, not physical DIMM information.