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bash internal / process management / subshell execution (2)

1

bash

This demonstrates the use of a subshell to isolate directory changes, ensuring the main shell's working directory remains unchanged.


(cd somedir; echo "I'm now in $PWD")
pwd # still in first directory

bash internal process management subshell execution

2

bash

This demonstrates using subshells to execute commands in different directories without affecting the current shell's working directory.


(echo "First, I'm here: $PWD") && (cd someDir; echo "Then, I'm here: $PWD")
pwd # still in first directory

bash internal process management subshell execution