source - Command Generator Online

source

`source` is a command-line program that runs the specified script file in the current shell environment. It is commonly used to configure the shell environment to make it more convenient for users to use the command-line interface. The `source` command can be used to run any shell script file, including Bash, Zsh, Fish, and so on.

configuration file or script

display help information (-h)

display version information (--version)

display detailed information (-v)

do not display any output (-q)

run as a login shell (--login)

use the specified initialization file (--rcfile)

disable line editing (--noediting)

do not use a configuration file (--noprofile)

do not read the startup file (--norc)

Examples

Run shell configuration file: By entering the command source ~/.bashrc or source ~/.zshrc in the command line, the user's shell configuration file can be loaded and run to update the settings of the current shell environment.
Run script file: By entering the command source script.sh in the command line, a script file can be run and the variable and function definitions in it can be loaded into the current environment.
Run Python virtual environment: By entering the command source venv/bin/activate in the command line, the specified Python virtual environment can be entered and the PATH and other settings of the current shell environment can be updated.