TSO – is time sharing option. We can execute TSO commands through ISPF interface.
Commonly used TSO commands:
| Session mangagement | ||
| LOGON | None | Start a terminal session. |
| LOGOFF | X, then LOGOFF | End a terminal session. |
| HELP | T (Tutorial) or PF1/13 | Display help information. |
| SEND | None | Send a message to another user. |
| LISTBC | None | Display broadcast messages. |
| Data set management | ||
| EDIT | 2 (Edit) | Edit the contents of a data set or member. |
| LISTCAT | 3.4 (DSLIST utility) | List catalog entries. |
| LISTDS | 3.2 or 3.4 (Data set or DSLIST utility) | List data set information. |
| RENAME | 3.2 or 3.4 (Data set or DSLIST utility) | Rename a data set. |
| DELETE | 3.2 or 3.4 (Data set or DSLIST utility) | Delete a data set. |
| SMCOPY | 3.3 (Move/Copy utility) | Copy a data set or member. |
| PRINTDS | 3.6 (Hardcopy utility) | Print the contents of a data set or member. |
| Data set allocation | ||
| ALLOCATE | 3.2 (Data set utility, but not quite the same) | Allocate a data set. |
| FREE | None | Free an allocated data set. |
| LISTALC | None | List data sets currently allocated. |
| ALTLIB | None | Activate an alternate procedure library. |
| Foreground program development | ||
| CALL | None | Execute a load module. |
| LINK | 4.7 (Foreground link-edit) | Link-edit a compiled program. |
| LOADGO | None | Link-edit and execute a compiled program. |
| TEST | None | Test a program. |
| Background jobs | ||
| SUBMIT | 5 (Batch processing) | Submit a job for background processing. |
| STATUS | 3.8 (Outlist utility) | Display the current status of submitted jobs. |
| OUTPUT | 3.8 (Outlist utility) | Get the output from background jobs. |
| CANCEL | 3.8 (Outlist utility) | Cancel a submitted job. |
CLIST – It is a command list. By entering TSO commands in sequence, in a member of PDS, we can execute CLIST member. So that we can execute all the commands in sequence.
How to execute CLIST
Allocate and activate your user CLIST library when you start a session
TSO ALLOCATE DDNAME(SYSUEXEC) DSN(TEST.CLIST) SHR REUSE
TSO ALTLIB ACTIVATE USER(EXEC)
Enter % followed by the name of the CLIST to be run
TSO %MKTGTEST
Read complete guidance on CLIST.
REXX – REXX is procedural language. This is a combination of REXX statements and TSO commands.
How to execute REXX Procedure
Allocate and activate your user EXEC library when you start a session
TSO ALLOCATE DDNAME(SYSUEXEC) DSN(TEST.EXEC) SHR REUSE
TSO ALTLIB ACTIVATE USER(EXEC)
Enter % followed by the name of the REXX procedure to be run
TSO %MKTGTEST
Srinimf 