In the past four blogs, we attached importance to the index, including description and comparison with usage of index. Now in this blog, we will mainly focus on the basic operation of index. such query, remove ,repair and so on. 1. View Index getInde…
FROM: http://www.tecmint.com/15-basic-ls-command-examples-in-linux/ ls command is one of the most frequently used command in Linux. I believe ls command is the first command you may use when you get into the command prompt of Linux Box. We use ls com…
Cat (串联) 命令是Linux/Unix开源系统中比较常用的一个命令.我们可以通过Cat命令创建一个或多个文件,查看文件内容,串联文件并将内容输出到终端设备或新的文件当中,这篇文章我们将会以实例的方式讲解Linux中cat命令一些简便的用法. The cat (short for "concatenate") command is one of the most frequently used command in Linux/Unix like operating systems…
FROM: http://www.tecmint.com/13-basic-cat-command-examples-in-linux/ The cat (short for “concatenate“) command is one of the most frequently used command in Linux/Unix like operating systems. cat command allows us to create single or multiple files,…
1. logic operation : '&&' and '||' .For this two logic operations,its' results are inconclusive.the difference between this two logic operations and others is that they don't change the data type of the operands and also don't change the data t…