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The concept of the command line environment, focusing on aliases, environment variables, and the history command. It provides instructions on how to create aliases, set environment variables, and use the history command in unix-based systems like mac os and linux. It also discusses the export command and the home environment variable.
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/ The environment of the command line refers to the settings and preferences of the current user. It enables
and much more. For Unix-based systems like Mac OS and Linux (not
environment variables for the current user.
commonly used commands to shortcuts (or aliases). The assigned commonly used command should be wrapped in double quotes. Variables that can be used across terminal commands are called environment variables. They also hold information about the shell’s environment. All the commands in ~/.bash_pro le are executed with
So when changes are made to ~/.bash_pro le , run this command to activate the changes in the current session.
of commands (also known as “events”) that were executed in the current session. The command also allows us to perform operations on this list of commands that have been executed, such as selecting or manipulating a command in the history.
Command line environment Shell Command env Alias Environment Variables Source Bash Pro le history command in Unix Systems
pd
for the command pwd
/
available to all child sessions initiated from the current session.
command line environments. It is used to get the path to the current user’s home directory. This makes it easy for programs to access the home directory when needed. Export command HOME Environment Variable in Unix Systems