Several common environment variables under Linux

Environment variables are some of the operations that the operating system uses to specify the operating system environment, and several common environment variables under Linux are as follows:

path Specifies the search paths for the command

Home Current user's home directory

Histsize number of record bars for the history command

LOGNAME The current user's login name

HOSTNAME Host Name

Shell type of shell current user

Lang/languge language-related environment variables

Viewing methods can be viewed through the echo command.

Several common environment variables under Linux