Restrict operations to a given filesystem (by default edquota operates on all filesystems with quotas)

Edit quotas for a user or group. By default it operates on all filesystems with quotas.
Quota information is stored permanently in the `quota.user` and `quota.group` files in the root of the filesystem.
More information: <https://manned.org/edquota>.
Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

sudo edquota --file-system {{filesystem}}

click the source code to copy install edquota on any operating system with command-not-found.com