quotatool software package provides tool to edit disk quotas from the command line, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install quotatool
quotatool is installed in your system.
Make ensure the quotatool package were installed using the commands given below,
$ sudo dpkg-query -l | grep quotatool *
You will get with quotatool package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Administration Utilities |
| Package | quotatool |
| Version | 1.4.12-1 |
| Description | tool to edit disk quotas from the command line |
| Sub Section | Admin |