Ny Shellprocess 9
9.System3.1:> info

Mounted disks:
Unit      Size    Used    Free Full Errs   Status   Name
RAM:       56K      56       0 100%   0  Read/Write Ram Disk
ADH0:     188M   54188  332882  14%   0  Read/Write System3.1
DF0:      837K      26    1732   1%   0  Read/Write Tom
ADH1:    1163M  477164 1905746  20%   0  Read/Write Work
ADH2:    1163M  114840 2268070   5%   0  Read/Write Dev
ADH3:     755M  111724 1436562   7%   0  Read/Write Temp
DF2:      837K     214    1544  12%   0  Read/Write SDHxCFloppySelector.amigados

Volumes available:
Ram Disk [Mounted]
SDHxCFloppySelector.amigados [Mounted]
Temp [Mounted]
Dev [Mounted]
Work [Mounted]
Tom [Mounted]
System3.1 [Mounted]
9.System3.1:> DF0:UnitNumberTest 
Started from unit number: 0
Current unit number: 0
Current unit number: 1
Current unit number: 2
Current unit number: 3
9.System3.1:> DF2:UnitNumberTest 
Started from unit number: 2
Current unit number: 2
Current unit number: 3
Current unit number: 0
Current unit number: 1
9.System3.1:> RAM:UnitNumberTest 
Started from unit number: -1
Current unit number: 0
Current unit number: 1
Current unit number: 2
Current unit number: 3
9.System3.1:> Work:UnitNumberTest
Started from unit number: 0
Current unit number: 0
Current unit number: 1
Current unit number: 2
Current unit number: 3
9.System3.1:>