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Cisco Support Tools 1.0 User Guide How to Use the DF Utility 217
-a: Print free space for all locatable drives.
-?: Display program description.
Note: If the environment variable DF exists, its value is used to establish default
options.
Note: You can override an option that was specified in the environment variable by
following the option with a minus '-' sign. For example, to turn off the -a option,
specify -a-.
Note: Option -a can be specified twice to restore normal operation, namely, to undo
the effect of specifying option -a in the environment variable.
See Also
For related information, see:
About Common Utilities