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eH880 and ACR880 SDE Setup Manual
Version 1.4
Page 13 of 20
www.acs.com.hk
5.0. Program/Files Uploading
5.1. eH880 / ACR880 File Structure
The eH880/ACR880 follows the common Linux file directory structure. The root file system is read-
only.
The eH880/ACR880 files are stored in the following directories:
/usr/local/RO/
For read-only files, such as the unit name and serial
number, and other system files.
/usr/local/RW
For read-write files. Developers can store their software
application and data files in this directory. Multiple
subdirectories can also be created through this path.
/tmp
Directory to store temporary files. Data in this directory
will be erased after reboot/power-off.
