mapi1234581825的专栏

vi编辑器是所有Unix及Linux系统下标准的编辑器，它的强大不逊色于任何最新的文本编辑器，这里只是简单地介绍一下它的用法和一小部分指令。由于对Unix及Linux系统的任何版本，vi编辑器是完全相同的，因此您可以在其他任何介绍vi的地方进一步了解它。Vi也是Linux中最基本的文本编辑器，学会它后，您将在Linux的世界里畅行无阻。 1、vi的基本概念 　　基本上vi可以分为三种状

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It's the ANSI standard, was used a lot in the old BBS days.\\033 = [Esc] (up in your keyboard top left corner)Colors:\\033[30m set foreground color to black\\033[31m set foreground col

How to de-bug the shell script?While programming shell sometimes you need to find the errors (bugs) in shell script and correct the errors (remove errors - debug). For this purpose you can use -v an

Consider following script example:$ cat > testsignls -R /Save and run it as$ chmod +x testsign$ ./testsignNow if you press ctrl + c , while running this script, script get term

The shift CommandThe shift command moves the current values stored in the positional parameters (command line args) to the left one position. For example, if the values of the current positional p

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