Once you’ve gained a solid understanding of Linux and mastered the various commands available, your next big win comes in the form of shell functions. Code wrapped in a function can be reused by your ...

在计算机操作系统发展之初，便带有命令解释器（Command Interpreter），用于接受用户的命令，并解释它们，从而与计算机进行交互。受 CTSS 和 Multics 系统的影响，Dennis Ritchie 和 Ken Thompson 在设计 UNIX 系统的时候，并没有将命令解释器作为操作系统的一部分或特权 ...

Linux’s compgen command is not actually a Linux command. In other words, it’s not implemented as an executable file, but is instead a bash builtin. That means ...