Default [Q] Changing internal and external memory

I've been trying to change my internal memory to external and and the other way around. I have a SGH-T769 and i followed another forums advice with this in which involves coding. They told me to switch my coding from:

Quote:
#internal sdcard
dev_mount sdcard /storage/sdcard0 28 /devices/platform/msm_sdcc.1/mmc_host/mmc0/mmc0

#external sdcard
dev_mount external_sd /storage/sdcard1 auto /devices/platform/msm_sdcc.3/mmc_host/mmc2/mmc2
To

Quote:
#internal sdcard
dev_mount sdcard /storage/sdcard1 28 /devices/platform/msm_sdcc.1/mmc_host/mmc0/mmc0

#external sdcard
dev_mount external_sd /storage/sdcard0 auto /devices/platform/msm_sdcc.3/mmc_host/mmc2/mmc2
but my codes looks different. my code is

Quote:
#internal sdcard
dev_mount sdcard /mnt/sdcard 28 /devices/platform/msm_sdcc.1/mmc_host/mmc0/mmc0

#external sdcard
dev_mount sdcard1 /mnt/sdcard/external_sd auto/devices/platform/msm_sdcc.3/mmc_host/mmc2/mmc2
I want to know what is the right code for making the switch, please and thank you