Linux内核作用: The Linux kernel is the heart of the operating system. It is the layer between the user who works with Linux from a shell environment and the hardware that is available in the computer on which the user is working. The kernel is doing so b
遍历目录下所有的文件是目录还是文件 for file in ./* do if test -f $file then echo $file 是文件 fi if test -d $file then echo $file 是目录 fi done filelist=`ls ./proto` echo $filelist for file in $filelist;do #不能有判断if [-f $file ] ,为什么?因为文件是在当前目录的proto目录下,我们filelist输出的是文件列表,没
博客搬家,新地址:http://www.zicheng.net/article/38.htm Behavioral Options(行为参数) Option and Default Value Description -XX:-AllowUserSignalHandlers Do not complain if the application installs signal handlers. (Relevant to Solaris and Linux only.) 允许应用程序安装信号处理器