User's Guide for MS-DOS Clients

356
Glossary
selecting an option from one dialog box
causes another dialog box to appear.
directory Part of a structure for
organizing your files on a disk. A
directory can contain files and other
directories (called subdirectories). See
also directory tree.
directory tree A graphical display of a
disk’s directory structure. The
directories on the disk are shown as a
branching structure. The top-level
directory is the root directory.
disk device A device that stores
information. Disk devices are identified
by their devicenames. See also
devicename.
disk directory See directory.
disk drive devicename See
devicename, disk device.
distributed application See client-
server applications.
domain In LAN Manager or
Windows NT Advanced Server, a group
of devices, servers, and workstations
grouped together to simplify network
administration and security. Each
domain has a unique name. Being logged
on in one domain does not limit access to
resources in other domains to which you
have access. See also logon domain,
other domains, primary domain
controller, workstation domain.
domain controller For a Windows NT
Advanced Server domain, the server that
maintains the security policy and the
master database for a domain and
authenticates domain logons. For a
LAN Manager domain, the server that
verifies a user is allowed to log on in a
domain and maintains a master record of
user accounts. See also primary domain
controller, server, user account.
domain name The name by which a
domain is known to the network.
double-click To position the mouse
pointer on a screen element, and then
quickly press and release a mouse button
twice without moving the mouse.
Double-clicking carries out an action,
such as starting an application.
Enhanced See LAN Manager
Enhanced.
error detection A technique for
detecting when data is lost during
transmission. This enables the software
to recover lost data by asking the
transmitting computer to retransmit the
data.
error log A file that stores error
messages received by a LAN Manager
Enhanced workstation.
error message A message that appears
on your computer screen when
Windows NT, LAN Manager, or
MS-DOS detects a problem while trying
to process an operation or a command.
extension The period (.) and one to
three characters at the end of a filename.
An extension usually indicates the type
of file or directory.