Get the Process ID of the R Session

Description

Get the process ID of the R Session. It is guaranteed by the operating system that two R sessions running simultaneously will have different IDs, but it is possible that R sessions running at different times will have the same ID.

Usage

Sys.getpid()

Value

An integer, usually a small integer between 0 and 32767 under Unix-alikes and a much small integer under Windows.

Examples

Sys.getpid()