A disk quota is a limit set by a system administrator that restricts certain aspects of file system usage on modern operating systems.Disk quotas are very useful in large multi-user environments where you have a large number of users with access to the filesystem, whether because they log into the system or use their file space remotely, through either Samba or NFS.This is very useful if you are an Internet service provider (ISP) providing web space for your users to host their websites.
Nano command line editor is a text editor that can be run from a command prompt via a telnet or ssh session. It allows you to create or edit HTML, text, scripts or practically any text file. Although it is not as easy as a GUI based editor you may be used to it does afford you the luxury of being able to create and edit your site files from almost any computer in the world.
Webmin is a web-based interface for system administration for Unix. Using any browser that supports tables and forms (and Java for the File Manager module), you can setup user accounts, Apache, DNS, file sharing and so on. Webmin consists of a simple web server, and a number of CGI programs which directly update system files like /etc/inetd.conf and /etc/passwd. The web server and all CGI programs are written in Perl version 5, and use no non-standard Perl modules.
GLPI stands for “Gestionnaire libre de parc informatique”, GLPI is the Information Resource-Manager with an additional Administration- Interface. You can use it to build up a database with an inventory for your company (computer, software, printers...). It has enhanced functions to make the daily life for the administrators easier, like a job tracking system with mail-notification and methods to build a database with basic information about your network-topology.
ProFTPD is a ftp server written for use on Unix and Unix-a-like operating systems, there is no support for native use under Microsoft Windows.