Table 1: Types of Access Recognized by MPE/iX

Type of Access		Applies to:	Explanation
Read	R	Files	A user with READ access to a file can examine the data that's in that file. He can display it on a screen, print it, or run a program that reads it.
Write	W	Files	A user with WRITE access to a file can change or delete the data that's in the file. He can replace records, delete them, add to them, or change them.
Append	A	Files	A user with APPEND access to a file can add data to the end of the file, but cannot delete or change the data that's already there.
Lock	L	Files	A user with LOCK access to a file can run a program that uses the MPE FLOCK and FUNLOCK intrinsics to coordinate file access.
Execute	X	Files	A user with EXECUTE access to a file that contains a program can execute that program on the HP 3000. Execute access also applies to batch jobs and UDCs.
Save	S	Groups	A user with SAVE access to a group has the ability to create files in that group.

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