What is __check_region in unix
Returns 0 if the region is free at the moment it is checked, returns -EBUSY if the region is busy.
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Learn about wvdial package in linux
WvDial automatically locates and configures modems and can log into almost any ISP's server without special configuration. You need to input the username, password, and phone number, and then WvDial will negotiate the PPP connection using any mechanism needed.
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