.File system quotas for `tmpfs` file system are now supported The `/tmp` directory is typically mounted using `tmpfs`, and it is accessible to all users by default. This presents a risk where a single user can potentially fill up the entire system memory by writing excessively to this directory. With this update, system administrators can now implement file system quotas to limit the space or memory users can consume on a `tmpfs` file system, preventing memory exhaustion.