Thanks Rehab, looks like you got me further!
alis-mac-pro
ocuments ali$ iasl -da ~/Documents/DSDT/*
Intel ACPI Component Architecture
ASL Optimizing Compiler version 20140724-64 [Jul 24 2014]
Copyright (c) 2000 - 2014 Intel Corporation
Loading Acpi table from file /Users/ali/Documents/DSDT/DSDT.aml - Length 00056541 (00DCDD)
ACPI: DSDT 0x0000000000000000 00DCDD (v02 DELL CL09 00000000 INTL 20120711)
Acpi table [DSDT] successfully installed and loaded
Loading Acpi table from file /Users/ali/Documents/DSDT/System DSDT.dsl - Length 00497259 (07966B)
TableHeader length [0x6E49202A] greater than the input file size [0x7966B]
File appears to be ASCII only, must be binary
Could not get table from the file
Not sure what the above means, could it be my *.aml are not correct?