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Chapter 6, Memory Cards/Mass Storage
DOS and LIF File System Considerations
• When copying LIF named files to a DOS formatted media, the file name is silently
truncated to 8 characters since DOS only allows 8-character file names. This could
result in ERROR 54 Duplicate File Name.
• When storing or deleting files to a DOS formatted media, the file name is silently
truncated to 8 characters since DOS only allows 8-character file names. This could
result in ERROR 54 Duplicate File Name.
File Naming Recommendations
If switching between media types (DOS and LIF) or operating exclusively in DOS
the following naming conventions are recommended.
• Ensure that only TESTS Subsystem procedure files begin with the letter p (upper or
lower case).
• Ensure that only TESTS Subsystem library files begin with the letter l (upper or lower
case).
• Ensure that only TESTS Subsystem code files begin with the letter c (upper or lower
case).
• Ensure that only user-written NMT test files begin with the letter n (upper or lower
case).
• Avoid using DOS file extensions.
• If possible, only use file names of 7 characters or less for Save/Recall registers or
TESTS Subsystem files (prefix character + 7 characters = 8-character DOS file name
limit). This will avoid silent truncation of file names which leads to many of the
problems discussed under “Potential File Name Conflicts” on page 336.