TLICD is a directory of users that used the LIBGET command and the members that they copied from CA Librarian master files to TSO data sets through the LIBGET command.
TLICD is a partitioned data set, initialized by the LIBTLICD utility program. Through this utility, you specify the number of TSO users permitted to access members through the LIBGET command and the number of members a single user can access concurrently.
When each user of the system issues a LIBGET command for the first time, a permanent, unique TLICD member is created for that user. The user's user ID is the member name.
LIBGET records the status of the retrieved member and the TSO data set on TLICD file entry. Later, the LIBSAVE command uses the status information in the entry to update the member. The entry on TLICD file is deleted automatically by the LIBSAVE command, or can be deleted on request by the LIBCTL command.
Important! If upgrading from a previous release of CA Librarian and using an existing TLICD file, the file should not be re-initialized as that deletes all the information in the existing TLICD.
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