totalSystemMemory: Obtain Total System Memory
Description
Uses operating system tools to return total system memory.
Usage
totalSystemMemory()
Details
On Unix-alikes, checks the /proc/meminfo file for the total memory. If the system call
returns an error, the function returns NA. On Windows
systems, uses wmic to obtain the TotalVisibleMemorySize.
Value
A numeric value representing total system memory in kBytes, or NA.
Examples
totalSystemMemory()