進程間通信14
說明了進程控制原語并且觀察了如何調(diào)用多個進程。但是這些進程之間交換信息的
唯一方法是經(jīng)由f o r k或e x e c傳送打開文件,或通過文件系統(tǒng)。本章將說明進程之間相互通信的
其他技術(shù)—I P C(InterProcess Communication)。
It si very interesting ebook of administrarion for Linux, but there was describe computers network in detail: ISO recommendation, ISO levels, tools and features.
g a w k或GNU awk是由Alfred V. A h o,Peter J.We i n b e rg e r和Brian W. K e r n i g h a n于1 9 7 7年為U N I X創(chuàng)建的a w k編程語言的較新版本之一。a w k出自創(chuàng)建者姓的首字母。a w k語言(在其所有的版本中)是一種具有很強能力的模式匹配和過程語言。a w k獲取一個文件(或多個文件)來查找匹配特定模式的記錄。當(dāng)查到匹配后,即執(zhí)行所指定的動作。作為一個程序員,你不必操心通過文件打開、循環(huán)讀每個記錄,控制文件的結(jié)束,或執(zhí)行完后關(guān)閉文件。
Yet another mp3 player, but this time using SVGALib under Linux. The idea was to use a 320x240 display which can be used in a vehicle. I wrote this quite a few years ago, before mp3 players were so cheap. It uses mpg123 for the mp3 decoding.