Disk Format And Hies - Radio Shack TRS-80 Model 16B User Manual

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Disk Format and Files
You can slore programs and lren cas;-y retrieve R'1d run the'll
because of the
€ffic;el~l
way your operati1g systO'll organiles
informatio'l on disks The two OFms of disk organization are
• Disk Forno3t
•
Di~k
Files
Formatting prepares disks ;or irfcrma'ion stom>]€ 11 J;vides disks
into tile patis of a "filing' system cylirlders, tracks, s,eclors, and
bytes. II also creates a directory on ElaC>l d:.sk
You can store irltor1l8.tion on forllatted disks only. Any disk thaI
contains an application program or operating system is already
Formatted.
The blank diskettes you buy in 8 RadiO SI'W.;k Computer Center
are nol formatted To lorfYlat a data diskette, follow
me
sLeps under
"Formatting Disks" in ChaptfH 7 'Topoy Jskette Systam
Preparation'
Disk Files are similar to 'he f1es in a file cabine Tiley carl cor<tain
whatever you put in them programs, ca~a, information and
eaer, fie has a different name, Disk files uSl;aily are created
through an application program
Operating Systems and Application Programs
Operating 8Y3te'-'18 are prograrns that enabe yOL to operale a
eompu!er, They let you C'lanipulate and s~ore data, contro
peripherals, and use ap;)licatiori programs
Application programs he'p you perform tasks such as
bookkeeping, word processing, and program develooment
Operating Systems
Your system cornes with threa operati'1!) sysleC'ls',
• TRS-XENIX
• TRSOOS-II
• TRSOOS 2,0b
All application prograrns 'llus: be
r~n
wifh O'le of
~hese
operating
systems in Drive 0 or on Drive 4, To determine which oDerating
systern your apolicmion program uses, check
• Application manual
• Diskette label The laoel identifies a TRS-XENIX, TRSDOS-II,
or TRSDOS application program, If a syslern is no: given, you
have a TRSDOS apolication,
To learn rnore aboLt your operaling systems see the appropriale
manLal
TRS-XENIX Operations Guide
TRSDOS-II and TRSOOS - TRSOOS-ii Reference Manual