The point-and-shoot interface of MSL

The following figure shows a typical MSL panel. The list after the screen describes what happens when the corresponding cursor-sensitive field is clicked:

Figure 1. Cursor-sensitive areas on the MSL
    File  Display  Library  SCLM  Settings  Menu  Utilities  Test  Help  Exit
  -------------------------------------------------------------------------------
  -DSC--BROWSE L1---- SPIFFY.IBM.JCL -------------------------ROW 00001 OF 00016  A   B 
  COMMAND  ===>                                                SCROLL ===> PAGE
 HOTBAR: REFRESH  FLIP     INFO     COMPRESS EXPDIR   TAILOR   TOTALS   COPYALL
 FILTER*EXCLUDE*SORT*SHOW*    97 HIDDEN*                                          C   D 
     NAME     PROMPT   LIB VV.MM      CHANGED         SIZE USERID  E 
  DSCJOB01          S 1 81.02 2017/11/01 12:09      165 INTT025
  DSCJOB02          S 1 81.01 2018/09/03 14:30       79 INTT025
  DSCJOB03          S 1 81.01 2018/09/03 14:31      108 INTT025
  DSCJOB04          S 1 81.01 2018/09/03 14:32      108 INTT025
  DSCJOB05          S 1 81.01 2018/09/03 14:33      414 INTT025
  DSCJOB06          S 1 81.02 2017/11/01 12:17      213 INTT025
  DSCJOB07          S 1 81.01 2018/09/03 14:35      241 INTT025
  DSCJOB08          S 1 81.02 2017/11/01 12:39       71 INTT025
  DSCJOB09          S 1 81.01 2018/09/03 14:37       63 INTT025
  DSCJOB10          S 1 81.01 2018/09/03 14:38       64 INTT025
  DSCJOB11          S 1 81.01 2018/09/03 14:39       76 INTT025
  DSCJOB12          S 1 81.01 2018/09/03 14:40       71 INTT025
  DSCJOB13          S 1 81.01 2018/09/03 14:41       64 INTT025
  DSCJOB14          S 1 81.01 2018/09/03 14:43       56 INTT025
  DSCRCVPD          S 1 81.01 2018/09/03 14:44       76 INTT025
  DSCUNZIP          S 1 81.01 2018/09/03 14:45      122 INTT025
   --END--
BROWSE L1  A 
Changes the current default cyclically through BROWSE, EDIT, and VIEW. The L1 shows the nesting level.
---- SPIFFY.IBM.JCL -------------------------  B 
Displays a nested OLIST History display, where you can review or process recently accessed data sets. When you exit this temporary OLIST (PF3), you return to the MSL.
FILTER*EXCLUDE*SORT*SHOW*  C 
Tailoring messages. Shows the conditions that have been applied to the MSL member list. By clicking a condition, you remove it. For example, if you click *FILTER*, you remove the filter applied to the MSL.
97 HIDDEN  D 
The number of members not currently in the displayed list. (This field is for information only. No action happens if you click it.)
NAME PROMPT LIB VV.MM CHANGED SIZE USERID  E 
Clicking a column heading sorts the list by the values in that column, and adds *SORT* to the tailoring messages. The current sort column heading is highlighted. To sort in the default order (NAME), click the NAME field, or click the *SORT* tailoring message.