This article presents concepts and methods for the calibration of touch-screen systems. Software-programming algorithms and their implementation are also discussed.
自己学习《APUE》时写的linux下一些命令(大概40个左右)实现，仅当学习使用，这些命令包括cat cp echo head ls paste rmdir tail umask who chattr cut expand join mkdir pwd sed tee uniq chgrp date find last mkfifo reboot sort wc chmod df ln mv rename split touch which chown du grep lsattr od r
