摘要:
The %s format specification in printf expects the corresponding argument to be a string represented in thisform. 阅读全文
摘要:
the character '\0' (the null character, whose value is zero) at the end of the array it is creating, tomark the end of the string of characters. This conversion is also used by the C language: when a string constantlike"hello\n"appears in a C program, it is stored as an array of ch 阅读全文
摘要:
tcsh——shell程序,它可以在登录shell和shell 脚本命令处理器之间做命令语言解释器。stat——显示指定文件的相关信息who、w——显示在线登陆用户whoami——显示用户自己的身份hostname——显示主机名称uname——显示操作系统信息free——显示当前内存与交换空间的使用情况ifconfig——显示网络接口信息ping——测试网络连通性netstat——显示网络状态信息route——显示路由相关信息 阅读全文