Useful Linux commands for disk management

The disk is a very important hardware resource in Linux system, how to manage them effectively is directly related to performance of the whole system. If you have some experiences on the Linux disk management and should know that “df”, “du” and “fdisk” these three commands: df is used to check the file system disk usage,

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To Install And Configure Tripwire To Protect file system in linux

Tripwire is one of the most useful tools in UNIX security specification, the tripwire can deteck up to 10 kinds of UNIX file system attributes and more than 20 kinds of attributes (including registry). Tripwire firstly use a specific signature function to create a signature database for which system files or directory need to be

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DEFINITION of Perl

Perl is a script programming language that is similar in syntax to the C language and that includes a number of popular UNIX facilities such as sed, awk, and tr. Perl is an interpreted language that can optionally be compiled just before execution into either C code or cross-platform bytecode. When compiled, a Perl

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DEFINITION of JavaScript

JavaScript is an interpreted programming or script language from Netscape. It is somewhat similar in capability to Microsoft’sVisual Basic, Sun’s Tcl, the UNIX-derived Perl, and IBM’sREXX. In general, script languages are easier and faster to code in than the more structured and compiled languages such as C and C++.

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DEFINITION of widget

1) In general, widget (pronounced WIH-jit ) is a term used to refer to any discrete object, usually of some mechanical nature and relatively small size, when it doesn’t have a name, when you can’t remember the name, or when you’re talking about a class of certain unknown objects in

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