linux command line by william shotts

3 command line tips and Linux tips for linux Users The Linux world is full of fun. The deeper we get into it, the more interesting things we will find. We will try to provide you with some tips to make you different from others. Below are three tips we have prepared. 1. How

${mytest[*]}one two seven four five$ 1 2 3 4 To delete an element in an array: unset, but note some issues unset mytest[2]$ echo ${mttest[*]}one two four five$ echo ${mytest[2]}$ echo ${mytest[3]}four$ 1 2 3 4 5 6 7 8 Delete entire array: unset + array Name unset mytest$ echo ${mytest[*]}$ 1 2 3 4 5.8 Using command aliases

There are two ways to execute SQL commands at the command line. The first is to use the "-e" parameter to specify the SQL statement that needs to be executed, and the second way is through the pipe. The syntax and examples are as follows: 1, The code is as follows Copy Code Mysql_home/bin/mysql-u User name-p password-d database name-e "SQL statement"/usr/local/mysql/bin/mysql-u

Before self-study python time has been used Win7, did not think, also a bit afraid to use Linux, may be a little fear of the unknown things, but, but, learning for 4 months, retreat can not be retired, whether it is the deployment of the site, or based on the needs of back-end work, Linux learning must be put on the agenda, Reference book,, "Happy Linux

Often see the author of the Linux software in the introduction of the installation software, in front of the command with a backslash, do not understand the meaning of the data later to know that this is to cancel the call of the alias, using the original command.Alias is a shell built-in command that can be used to set the alias of a

On the Linux platform, the php Command Line program processes pipeline data, and the linux Pipeline This document describes how to use the php Command Line program on the Linux platform

Introduction to Shells and scripts The Gnu/linux Shell is an interactive tool that provides users with the means to start programs, manage files on file systems, and manage processes running on Linux systems. At the heart of the shell is the command line prompt It's the interactive

How to Use and run PHP scripts and Linux command-line php scripts through linux commands Below we will share with you how to use and run PHP scripts through Linux commands. PHP is an open-source server-side scripting language. At first, these three letters represent "Persona

Pick: a Linux Command Line fuzzy search tool | Linux China, pick fuzzy search It allows you to select from a series of options through the ncurses (3X) interface, and also supports fuzzy search. This tool is useful when you want to select a directory or file whose name contains non-English characters. -

In the book "Linux Command Line", the 3rd chapter is the Linux system.The concept is too large, but the content of this section is the core of the Linux system-view Linux systems.ls commandDisplays the directory's own information

Run the following command in linux to open a browser: Linux Command Line: How does Lynx browse Chinese Web pages? 1 ): First, press the o keyboard to enter the set screen. Display character set: [chinese] B-4. Assumed document character set(!): [euc-cn]

. After introducing the background, let's take a look at the different ways these command parameters are used: 1, under the Linux some commands such use ls-a (parameter before a horizontal); 2, some commands such use CP--help (parameter first two transverse); 3, there are some such use of TAR-XZVF (parameters before a horizontal); 4, and some such use of tar xzvf (parameters before the transverse). The dif

, equivalent to X (lowercase x),,, also equivalent to shit+2 z in command modeq! Do not save exitCommand mode:HJKL control up and down functionM Middle PositionL The last line of the current screenYY Copy, 8yy: Indicates copying 8 rows from the line where the current cursor is locatedP PasteDD Cut, 8DD: Cuts 8 lines from the