第一：简单的命令行（没有package）
c:/temp/bin/GetGreeting.java
public class GetGreeting
{
public static void main(String [] args)
{
System.out.println("Hello world"
import java.io.BufferedReader;
import java.io.InputStreamReader;
public class Command {
public static void exeCmd(String commandStr) {
BufferedReader br = null;
try {
Process p = Runtime
nginx学习随笔–worker_rlimit_nofile
英文原文：
Syntax: worker_rlimit_nofile number;
Default: —
Context: main
Changes the limit on the maximum number of open files (RLIMIT_NOFILE) for wor
