慈溪网站制作哪家最好,汝南企业网站建设,学院网站建设开题报告,重庆市建设工程信息网 最权威平台中项网在Linux中#xff0c;最为常用的缩略语也许是“rc”#xff0c;它是“runcomm”的缩写――即名词“run command”(运行命令)的简写。rc”是任何脚本类文件的后缀#xff0c;这些脚本通常在程序的启动阶段被调用#xff0c;通常是Linux系统启动时。如/etc/rc#xff08;连接… 在Linux中最为常用的缩略语也许是“rc”它是“runcomm”的缩写――即名词“run command”(运行命令)的简写。rc”是任何脚本类文件的后缀这些脚本通常在程序的启动阶段被调用通常是Linux系统启动时。如/etc/rc连接到/etc/rc.d/rc是Linux启动的主脚本而.bashrc是当Linux的bash shell启动后所运行的脚本。 .bashrc的前缀“.”是一个命名标准它被设计用来在用户文件中隐藏那些用户指定的特殊文件;“ls”命令默认情况下不会列出此类文件“rm”默认情况下也不会删除它们。许多程序在启动时都需要“rc”后缀的初始文件或配置文件这对于Unix的文件系统视图来说没有什么神秘的。 [rootminimal test-rm]# pwd /home/huage/test-rm [rootminimal test-rm]# ls -Al total 0 -rw-r--r--. 1 root root 0 Apr 2 11:50 001 -rw-r--r--. 1 root root 0 Apr 2 11:50 002 -rw-r--r--. 1 root root 0 Apr 2 11:43 .003 -rw-r--r--. 1 root root 0 Apr 2 11:43 .004 [rootminimal test-rm]# rm -rf * [rootminimal test-rm]# ls -Al total 0 -rw-r--r--. 1 root root 0 Apr 2 11:43 .003 -rw-r--r--. 1 root root 0 Apr 2 11:43 .004 rc (像是 .cshrc 或 /etc/rc 中的 rc 这两个字母) RunCom rc 是取自 runcom, 来自麻省理工学院在 1965 年发展的 CTSS系统。相关文献曾记载这一段话具有从档案中取出一系列命令来执行的功能这称为 run commands 又称为 runcom而这种档案又称为一个 runcom (a runcom)。 awk Aho Weinberger and Kernighan This language was named by its authors, Al Aho, Peter Weinberger and Brian Kernighan. grep Global Regular Expression Print grep comes from the ed command to print all lines matching a certain pattern g/re/p where re is a regular expression. rc (as in .cshrc or /etc/rc) RunCom rc derives from runcom, from the MIT CTSS system, ca. 1965. There was a facility that would execute a bunch of commands stored in a file; it was called runcom for run commands, and the file began to be called a runcom. rc in Unix is a fossil from that usage. Perl Practical Extraction and Report Language Perl Pathologically Eclectic Rubbish Lister The Perl language is Larry Walls highly popular freely-available completely portable text, process, and file manipulation tool that bridges the gap between shell and C programming (or between doing it on the command line and pulling your hair out). For further information, see the Usenet newsgroup comp.lang.perl.misc.
