TSO LISTA H ST or ?TSO DDNAME - lists currently allocated datasets
CHECK FILE filename ›PICTURE| ›HOLD| - lists Master info
-SET &STACK=OFF - ( tests D.M. commands but doesn't execute stack )
or EX focexec STACK=OFF
&ECHO=ON ›ALL| (diag. mgr. cmds also) - (types commands as they execute)
or EX focexec ECHO=ON
? TSO DDNAME ddname - DSN, Disp, Lrecl, Recfm, Blks, ect.
?F filename - lists fieldnames
? FILE filename - name, # of segments, last change date, ect. (FOCUS files only)
? HOLD holdname - fieldnames alias formats
? nnn - Query Error Message Description ( FOCnnn )
? SET - Current FOCUS Parameter settings
? STAT - Database statistics of last command
SET PFnn = DEBUG - turns on the debugger
AT casename - stops execution at start of case
AT casename TYPE msg
AT * - stops execution at all cases
AT ? - list all breakpoints
OFF * - cancels breakpoints
GO - start/resume execution
LIST fieldname - displays contents and status of specified field
LIST * - displays contents and status of all fields
LIST SEG.field - displays entire segment
LIST field nn - displays SPA index
LIST field * - displays SPA
DISA casename:* - disassemble MODIFY code, tokens within a case
DISA :* - all
DISA casename:nn - token nbr
INFO (? - number of real and computed fields
(AT - list of current breakpoints
(SPA - values of HOLDCOUNT and HOLDINDEX
? - display summary of DEBUGGER commands
QUIT - exit the MODIFY program completely
TSO ALLOC FI(HLIPRINT) DA(dsn)
MODIFY filename TRACE
Results of Trace in Dataset 'dsn'
FOCUS Debugging Tools - 3/17/90 DTA