Linux environment variables

ENV lists all environment variables and their assigned values

System environment variables: In order for all paths to use this command to set system environment variables

/etc/profile (available to all users) 1, define environment variables export Nmon=/usr/local/nmon variable path 2, take variable value export PA Th=$path:$nmon must have $ to be used to value source/etc/profile reload the user environment variable/root/. Bash_profile (available only for current users)

Linux environment variables