SHOWFREE
This command can be used to check the amount of available storage in the TSO region.
Sample output from the SHOWFREE command follows:
Largest Contiguous Virtual Storage Block Available:
Above the Line. . : 12.30 MB
Below the Line. . : 3.66 MB
Total Virtual Storage Available:
Above the Line. . : 24.86 MB
Below the Line. . : 3.70 MB
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