IGT-20 OS Image and Disk Usage

Currently the pre-installed OS of IGT-20 is Debian 8, and the OS image is less than 1GB in a 8GB microSD. By using df command, one can observe the real disk usage as below:

The image occupies around 850MB while 54% is still not used. With another command cfdisk, one can find the total microSD capacity and the free space

As shown in the picture, the real capacity is 7.5GB (8,010,072,064 bytes) with 6.6GB not located. Since IGT-20 provides the other external microSD slot, it’s better to store the user data in the external microSD. However, in some cases, if you’d not like to have another SD, it’s better to create a new partition using the 6.6G free space instead of extending the original partition.

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