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Filetypes
All Files are basically ENSCRIBE files, even SQL-MPy SQL-MX or OSS (posix) files.
Limits
Complarison of Format1 vs Format2 files
Format1
Format2
Disk file partition size
2 GB minus 1 MB
1TB
Single-partitioned disk file size
2 GB minus 1 MB
1TB
Multipartitioned disk file sizes (key-sequenced)
16 TB
16 TB (for 16 partitions)
63 TB (for 64 partitions)
Multipartitioned disk file sizes (not key-sequenced)
4 GB minus 4 KB
1TB
Filetypes
Short
Type
Header text
U Unstructured
Example
R Relative file
E Entry-sequenced
K Key-sequenced
File security (rwep)
Short
Type
r Read
w Write
e Execute
p Purge
Values for rwep
Short
Type
**** Safeguard protected (file mode only)-Local super ID only
O Owner only (local)
G Member of owner's group (local)
A Any user (local)
U Member of owner's user class—owner only (local or remote)
C Member of owner's community—member of owner's group (local or remote)
N Any user (local or remote)
Other Cheatsheets 
