how to remove something from environment in r code example

Example 1: r remove all environment

rm(list = ls())

Example 2: delete variable from environment r

remove(..., list = character(0), pos = -1,
       envir = as.environment(pos), inherits = FALSE)

rm    (..., list = character(0), pos = -1,
       envir = as.environment(pos), inherits = FALSE)