Task: Rename "/system/folder3/temp/temp1" to "/system/folder3/temp/temp1_old"
Command: mv /system/folder3/temp/temp1 /system/folder3/temp/temp1_old
Equivalent command: cp -r /system/folder3/temp/temp1 /system/folder3/temp/temp1_old && rm -r /system/folder3/temp/temp1