logcabin的专栏

# using libfaac on Mac OS X 10.6.8# -vn : not copying video# -acodec : specify codec used in flv file# -ac : channels. 1 is for mono, 2 is for stereo# -ab : specify bitrate for output file (note that

http://macs.about.com/od/macoperatingsystems/ss/Create-A-Bootable-Version-Of-The-Os-X-Mavericks-Installer-On-A-Usb-Flash-Drive_2.htm In order to create a bootable copy of the OS X Mavericks