It's a glob pattern (edit: tried to find a source that actually showed ** in use).
Had to look this up as well. Its not rm specific:
* is a simple, non-recursive wildcard representing zero or more characters which you can use for paths and file names. ** is a recursive wildcard that can only be used with paths, not file names.
Please forgive my ignorance. What does ** do?
Acts as a wildcard for any directories that exist between arteries and clot.
But only in Bash and if settings match. It's only reliable on your own shell, don't use it in scripts.
It's a glob pattern (edit: tried to find a source that actually showed
**in use).Had to look this up as well. Its not rm specific:
More here.