Search notes:

R function: Sys.getenv

Sys.getenv returns the value of an environment variable. 
Sys.getenv('R_HOME')
# [1] "/usr/lib/R"

Sys.getenv('HOME')
# [1] "/home/rene"
Github repository about-r, path: /functions/Sys.getenv.R

See also

Index to (some) R functions
R environment variables

Index

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