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You will need to use the ACCOUNT command from either HERC01 or HERC02 as they have OPER privileges.

Just a small nitpick - the ACCT privilege is required by a user ID to issue the ACCOUNT command.

For those who aren't long term TSOers, the 4 general privilege settings associated with a TSO user ID are:

• ACCT / NOACCT - controls the ability to use the ACCOUNT command.
• OPER / NOOPER - controls the ability to use the OPERATOR (or OPER for short) command.
• JCL / NOJCL - controls the ability to use the FIB (foreground initiated background) commands of STATUS (ST), SUBMIT (SUB), OUTPUT (OUT) and CANCEL.
• MOUNT / NOMOUNT - controls whether the TSO session will issue a console mount request when an attempt is made to allocate a data set on an unmounted volume.? These mount requests are actually IEF455D WTOR messages meaning that the operator has the option of replying NO to deny the allocation request.

(BTW, commands such as ACCOUNT, OPERATOR, OUTPUT, TEST and EDIT (and PDS which is not from IBM) are examples of commands which process subcommands.? When these commands are active, the mode prompt is not READY but the name of the command, except for when EDIT is in input mode, where the prompt is INPUT.)

Having the MOUNT attribute means that it is fairly easy to browse tape data sets, especially if they are cataloged because you don't even have to supply the UNIT and VOLUME, nor contrive to supply the file sequence number.

The REVTAPE CLIST uses the ALLOCATE command to supply the file sequence number.

Yes, REVIEW does provide the same up and down scrolling control for tape data sets as it does for DASD data sets.? Have fun trying to scroll up to a previous volume - this used to not work when it would apply TTRs from earlier volumes to the current volume, but these days it may request the operator to re-mount the first volume - can't say for sure because I haven't tried it.? (The last time I regularly used tapes was 2002.)

Of course, having the MOUNT attribute means that if you mistype the volume serial you'll often end up with a hanging mount request, so on real systems where I am not the operator I like to run with NOMOUNT most of the time.? If I ever need MOUNT I just zap the bit on for that session.? IM VB has the MNT and NMNT commands to facilitate this.

Cheers,
Greg