DBEC P,CONNECT,MUF(1)
DBEC P,CONNECT,MSID(DBSIDPR)

Connects MUF 01.
Connects the MUF with SIDNAME DBSIDPR (or the default MUF if no DBCSID macros were appended to the DBCVTPR)

DBEC P,DISCONNECT,MUF(2?)
DBEC P,DISCONNECT,MSIDNAME(D*)

Disconnects all MUFs with numbers 20 through 29, then returns the MUF-level display of MUFs 20 through 29 or all MUFs with SIDNAMEs beginning with D. If the MUF is connected but the disconnect has not yet completed, it is put into DISCONNECTING status.

DBEC P,CONNECT,MUF(??)
DBEC P,CONNECT,MSIDNAME(*)

Connects all MUFs, then returns the MUF-level display of MUFs, beginning with MUF 01.

DBEC P,IMMEDIATE,MUF(10)
DBEC P,IMMEDIATE,MSIDNAME(MUF10)

Immediately disconnects MUF 10 or the MUF with the SIDNANE of MUF10 regardless of active tasks, puts the MUF in DISCONNECTED status, then returns the MUF-level display of MUF 10 or MUF10 as the SIDNAME.

DBEC P,CONNECT,MUF(1?)
DBEC P,CONNECT,MSID(MUF1*)

Connects the MUFs 10 through 19 or all MUFs beginning with MUF1* as the SIDNAME and displays the result of each MUF CONNECT.

DBEC PER,DISCONNECT,MUF(??)
DBEC PER,DISCONNECT,MSIDNAME(*)

Disconnects all MUFs, then returns the MUF-level display beginning with MUF 01.