allocate -F device_special_filename
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Reallocates the specified device. This option is often used with the -U option to reallocate the specified device to the specified user. Without
the -U option, the device is allocated to root.
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allocate -U username
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Causes the device to be allocated to the user who is specified rather than to the current user. This option allows you to allocate a device for another user, without having to
assume that user's identity.
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deallocate -F device_special_filename
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Forces the deallocation of a device. Devices that a user has allocated are not automatically deallocated when the process terminates or when the user logs out.
When a user forgets to deallocate a tape drive, you can force deallocation by using the -F option.
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deallocate -I
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Forces the deallocation of all allocatable devices. This option should be used only at system initialization.
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list_devices
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Lists all the device-special files that are associated with any device that is listed in the device_maps file.
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list_devices -U username
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Lists the devices that are allocatable or allocated to the user ID that is associated with the specified user name. This option allows you to check which devices are allocatable
or allocated to another user.
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