This is usually referred to as the "shell."
A terminal is a Command Line Interface (CLI).
How much old do you mean by old? Well, before Gnome and KDE, there was the Command Line Interface (CLI). MCC Interim Linux was the first linux distribution, released in February 1992 used the CLI.
A shell in Linux is the interpreter that provides a commandline interface (CLI). There are many kinds of shells.
If the operating system is linux open a terminal or ssh to the server and type: (as root) which php-cli or which php5-cli if nothing is ouputted it can't find it, then check if you've got it installed. Debian based distro's: apt-get install php5-cli hope this helps.
You may be thinking about ddrescue which is a Linux CLI tool for recovering damaged files and drives.
in GUI network manager in CLI ifconfig
The Linux kernel itself does not include a GUI. However, most Linux distributions have one. Yes, Linux have a GUI.Today many kind of vendor available in Linux Like Redhat fedora,Ubuntu,Suse, Mandriva and many more. Those Linux version provide Cmd and GUI mode for work.
Windows has a GUI and CLI. You use the GUI pretty much all the time. Dump the windows and get a Linux install, try ubuntu and get used to using the well structured CLI. The GUI will make more sense then in general.
In DOS, just run "exit" command to return to GUI.In Redhat Enterprise Linux, run "startx" for GNome and "startkde" for KDE.
The Linux administrator is called the "root" user.
CLI = 151
Canon produces an ink cartridge for their photo printers called the CLI-36. There does not appear to be a camera made with this same name, but the CLI-36 ink cartridge would be able to print pictures taken from any type of camera.