subshells

the command runs in a subshell to avoid affecting the parent environment.

using a subshell can help keep variables isolated.

we can execute multiple commands in a subshell.

a subshell is created when you use parentheses in a command.

it is useful to run scripts in a subshell for testing purposes.

output from a subshell can be captured for further processing.

when a subshell exits, it returns control to the parent shell.

be cautious when modifying variables in a subshell.

chaining commands in a subshell can simplify complex operations.

subshells can be nested to create more complex command structures.