Operating System: Three Easy Pieces --- API (Note)
2015-10-05 12:14
337 查看
Aside: RTFM --- Read The Man Pages
Many times in this book, when referring to a particular system call or library call, we will
tell you to read the mannual pages, or man pages for short. Man pages are the original form
of documantation that exist on UNIX systems; realize that they are created before the thing
called the web existed. Spending some time reading man pages is a key step in the growth of
a systems programmers; there are tons of useful tidbits hidden in those pages. Some particularly
useful pages to read are the man pages for whichever shell you are using and certainly for any
system calls your program makes (in order to see what return values and error conditions exist).
Finnay, reading the man pages can save you some embarrassment when you ask colleagues
about some intricacy of fork(), they may simply reply: "RTFM". This is your colleagues' way of
gently urging you to Read The Man Pages. The F in RTFM just adds a little color to the phrase......
Many times in this book, when referring to a particular system call or library call, we will
tell you to read the mannual pages, or man pages for short. Man pages are the original form
of documantation that exist on UNIX systems; realize that they are created before the thing
called the web existed. Spending some time reading man pages is a key step in the growth of
a systems programmers; there are tons of useful tidbits hidden in those pages. Some particularly
useful pages to read are the man pages for whichever shell you are using and certainly for any
system calls your program makes (in order to see what return values and error conditions exist).
Finnay, reading the man pages can save you some embarrassment when you ask colleagues
about some intricacy of fork(), they may simply reply: "RTFM". This is your colleagues' way of
gently urging you to Read The Man Pages. The F in RTFM just adds a little color to the phrase......
相关文章推荐
- linux常用命令总结
- centos在设置时区
- centos 安装smplayer
- linux下常用命令以及文件
- linux下安装JDK支持java程序运行
- stopPropagation, preventDefault 和 return false 的区别
- CentOS6.5安装python2.7.9
- 创建网站的思路
- Docker私有仓库详细搭建步骤
- willMoveToParentViewController和didMoveToParentViewController
- mysql高可用方案:heartbeat + drbd + mysql
- 登陆tomcat首页报404的问题
- SEnginx安全相关模块配置说明
- Linux文件系统管理
- Apache Ofbiz(13.07.02) 安装运行
- linux md5sum与sha1sum
- 在ubuntu下对stm32开发板的编译、烧写、调试
- Centos后台运行jar
- Centos后台运行jar
- Linux进程端口指令