You can check the current shell in use by running the following command.
echo $SHELL
However,
notice that echo $SHELL does not report the right shell sometimes.
A more robust way is to use echo $0.
The default shell can be changed using the comamnd chsh.
For example,
the following …
Docker on WSL 2 works great. However, the performance of IO is extremely bad if it access the Windows filesystem. For more discussions, please refer to WSL 2 Filesystem .
Docker containers launched from a WSL (e.g., Ubuntu) shell will continue to run after the WSL shell …
If the docker container was started using /bin/bash
(you can check using docker ps) command you can access it using attach.
docker attach container_name_or_id
If the docker container was started but not with /bin/bash,
you have to create a bash instance inside the container using exec.
docker exec …A string is essentially a sequence of characters. This is how string is implemented in many programming languages (string in Java is different). For this reason, you can operate string like an array in some programming languages. This post is a shallow summary on strings in different programming languages. For …