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Appendix E : User's Glossary CP/M 3 User's Guide
Read-Write: Attribute that can be assigned to a disk file or a disk drive. The Read-
Write attribute allows you to read from and write to a specific Read-Write file or to
any file on a disk that is in a drive set to Read-Write. A file or drive can be set to
either Read-Only or Read-Write.
record: Collection of data. A file consists of one or more records stored on disk.
An CP/M 3 record is 128 bytes long.
RO: See Read-Only.
RW: See Read-Write.
sector: Portion of a disk track. There are a specified number of sectors on each
track.
software: Specially coded programs that transmit machine-readable instructions to
the computer, as opposed to hardware, which is the actual physical components of a
computer.
source file: ASCII text file that is an input file for a processing program, such as an
editor, text formatter, or assembler.
string: See character string
syntax: Format for entering a given command.
system attribute: File attribute. You can give a file the system attribute by using the
SYS option in the SET command. A file with the SYS attribute is not displayed in
response to a DIR command; you must use DIRS (see Section 5). If you give a file
with user number 0 the SYS attribute, you can read and execute that file from anv
user number on the same drive. Use this feature to make your commonly use@
programs avalilable under any user number.
system prompt: Symbol displayed by the operating system indicating that the system
is ready to receive input. See prompt.
terminal: See console.
track: Concentric rings dividing a disk. There are 77 tracks on a typical eight-inch
floppy disk.
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