lpi linux essentials

another file in the current file: R/path/to/somefile21st, interacting with the shell:! Command22nd, Advanced Topics1, display or cancel line number: Set Nu: Set Nonu2, display ignores case: Set IC: Set Noic3, Set auto indent: Set AI: Set Noai4, find the text highlighted or canceled: Set Hlsearch: Set Nohlsearch5, syntax highlighting: Syntax on:: Syntax off23, configuration file[Email protected] ~]# VIM/ETC/VIMRC[Email protected] ~]# ~/.VIMRC24th, VIM Learning Handbook[Email protected] ~]# Vimtu

First, replace the file1. Op.txt is known to exist in the/root/data, how to copy the/root/afeng/op.txt to the data directory and replace2.1[[email protected]/]# \cp/root/afeng/op.txt/root/data/2.2[[email protected] ~]#/bin/cp/root/data/op.txt/root/afeng/Second, VIM's shortcut keysG reach the bottomGG arrives on the first floorO Go to the downstream editorU undo: Wq Save and exit: q! Forced exitThird, set the alias1. Why alias is setSafety: To enter a crowbar when using dangerous commands2. The f

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Linux Starter Essentials Linux software InstallationFirst, online installation:sudo apt-get installReady to install if you cannot use the TAB key to complete the command after installation, you can perform:source ~/.zshrcApt (Advanced packaging tool), including Apt-get, Apt-cache, Apt-cdrom and other tools, apt can automatically download, configure, install binar

job of preparation, in the study of the mentality and methods of adjustment should be prepared. Many friends only understand the embedded Linux Direction of good development prospects, only focus on high-income, job opportunities and other hot spots, but neglected the learning process itself. In order to be able to maximize the effectiveness of the centralized training, we recommend that you learn more about the characteristics of embedded product de

and commandsThe shell is the user interface of the system and provides an interface for users to interoperate with the kernel. It receives the command entered by the user and sends it to the kernel to execute, which is a command interpreter. There are many types of shells, and bash is recommended here. Bash is the GNU Bourne Again Shell, the default shell on the GNU operating system, and most Linux distribution kits use this shell.There are many comm

default shell on the GNU operating system, and most Linux distribution kits use this shell. Linux Shell and commandsThere are many commands for Linux, and a simple classification is given below.It is shell programming to organize the Linux commands in the shell to complete a series of tasks. Shell,perl and Python are

PHP is one of the most widely used scripting languages. Market share can explain its dominance. The fact that PHP 7 has been introduced makes this programming language more appealing to current developers. Despite some changes, many developers are sceptical about the future of PHP. One reason is that PHP is safe. PHP Security is a major concern for the vast majority of developers. While PHP provides reliable security from the inside out, these security mechanisms need to be properly implemente

PHP is one of the most widely used scripting languages. Market share can explain its dominance. The fact that PHP 7 has been introduced makes this programming language more appealing to current developers. Despite some changes, many developers are sceptical about the future of PHP. One reason is that PHP is safe. Linux administrators should be aware of the top ten PHP security essentials PHP is one of the

Nano shortcuts available are shown below the user interface, and the Nano has only the functionality of the most basic text editing software. It is very compact and is ideal for editing system configuration files. For those who do not need complex command-line editing capabilities, the Nano is perfectly equipped.What do you think?Here are some other editors I'd like to mention: the Nice editor (NE): The official website says: "If you have enough information, you have the patience of using Emacs

. utf-8keyboardusnetwork--onbootno--deviceeth0--bootprotodhcp-- Noipv6network--onbootno--deviceeth1--bootprotodhcp--noipv6rootpw --iscrypted$6$pldqkqeo8y.e2/g3$y/tgve0wt/v9. Fevxfsl.smfftmlpmhpzkdmfrzymnzi5xa77gjycdzcix0e3gw8/m7htbfbjcsp8zbshcw7y1firewall--service=sshauthconfig --enableshadow--passalgo=sha512selinux--enforcingtimezoneAsia/Shanghaibootloader --location=mbr--driveorder=sda--append= "Crashkernel=autorhgbquiet" #The Followingisthepartitioninformationyourequested # "#" is followed

/username/root: Administrator's home directory/lib: library fileStatic Library. ADynamic Library. dll. So (Shared object)/lib/modules: Kernel module files/media: mount point directory, mobile device/MNT: mount point directory, additional temporary file system/OPT: Optional directory, third-party program installation directory/proc: Pseudo file system, kernel mapping file/sys: Pseudo file system, property mapping file related to hardware device/tmp: Temp file,/var/tmp/var: a variable file/bin: Ex

device TypeSecondary device number (minor numbers)Mark different devices in the same typeThe file name of the hardware deviceIDE ATA:HDSata:sdScsi:sdUsb:sd################################################Mknod################################################FdiskSee how many hard drives are identified by the current system[Email protected] ~]# fdisk-ldisk/dev/sda:85.9 GB, 85899345920 bytes255 heads, Sectors/track, 10443 cylindersUnits = Cylinders of 16065 * 8225280 bytesSector size (logical/physi