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WMPRO, WMMINI FW >= 1.1015 WMMEGA FW >= 2.0
Returns the number of byte available in NVRAM
none
int: number of bytes free in NVRAM
<? $res=nvram_free(); print("NVRAM Free Size: ".$res); ?>
nvram_backup() - Backup NVRAM contents to a file
nvram_defrag() - Defrag NVRAM
nvram_dump() - Dump NVRAM to standard output
nvram_restore() - Restore NVRAM contents from a file