In Linux or Unix, you can list the contents of a directory and its subdirectories recursively using the ls command with the -R or --recursive option. Here’s an example:
ls -R /path/to/directory
This will list the contents of the directory /path/to/directory and all its subdirectories, displaying the names of files and directories in a tree-like format.
You can also use the find command to list all files and directories in a directory and its subdirectories recursively. The find command is more powerful and flexible than the ls command, and allows you to perform various actions on the found files. Here’s an example:
find /path/to/directory -type d
This will search for all directories in /path/to/directory and its subdirectories and print their names. The -type d option is used to search for directories only.
Note that both the ls and find commands can produce a large amount of output, especially if the directory and its subdirectories contain many files. You may want to use grep or head to filter or limit the output, as needed.