HP 2240 - Manual (Page 267)

GL-19
ROM
Read–only memory.
root
See superuser.
scroll bar
A vertical or horizontal bar located on the side or bottom of a window
that allows the user to view information that does not fit within the
window.
SCSI
See Small Computer System Interface.
server
A program that controls all access to input and output devices.
session
The time between when you log in and when you log out. Also called
a work session or a login session. See also current session.
shell
A command–line interpreter program used to invoke utility programs.
Some examples of HP–UX shells are the Bourne, Korn, Key, and C
shells. Sometimes referred to as a command interpreter. See also
command interpreter.
shell command
An instruction you give the system to execute a utility program or
shell script. See also shell script, utility program.