一. 通用命令:[6] date :print or set the system date and time stty -a: 可以查看或者打印控制字符(Ctrl-C, Ctrl-D, Ctrl-Z等) passwd: print or set the system date and time (用passwd -h查看) logout, login...
Tutorial Using the Image class Reading and writing images Convert files to JPEG Create JPEG thumbnails Identify Image Files Cutting, pasting, and merging images Copying a subr...