查看linux shell的变量
参考:https://askubuntu.com/a/275972
to print all the environment variables:
1 | printenv |
To show a list including the “shell variables”
1 | set -o posix ; set |
参考:https://askubuntu.com/a/277969
see all variables with the declare builtin.
1 | declare -p |
only interested in environment variables, use
1 | declare -xp |