bash computer

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Linux + shell bash/SH/KSh/CSH/tcsh

once = super key + right-clickManual zoom in = super key + scroll upManually zoom out = super key + scroll downMove window = Alt + Left clickHold the border when moving the window = left click to start dragging and then CTRL + ALTAdjust window size = Alt + medium clickBring up the window below the top window = Alt + middle-clickDynamic Effect deceleration = Shift + F10Water print = press Ctrl + super keyRain = Shift-F9Desktop expansion = CTRL + ALT + down arrow, then press CTRL + ALT and left/r

Git bash run Error record on window

Error: Every time you start Git Bash, the following error Gitbash 0 [main] bash 11928 fork:child-1-createprocessw failed for ' D:\Program files\git\usr\b In\bash.exe ', errno 13Cause analysis: The initial git bash did not have this problem, because the company added a domain user to the computer, causing the user name

Linux bash shell Learning (4): editing commands

This article is the second chapter of "learning the bash shell" 3rd edition, command-line editing, Reading Notes. But we will not limit this. In general, I just try to press it directly. If an error occurs, use the cursor and arrow on the left or right to modify the image, or use the upper/lower cursor to directly use the previous command or previous command to modify the image. That's all. I use VI and almost do not use Emacs. The author of this book

Linux learning path: Understanding shell, bash, and shellbash

Linux learning path: Understanding shell, bash, and shellbashI. shell The direct controller of computer hardware is the kernel of the operating system. Because of the importance of the kernel, as a user, we cannot directly operate the kernel, therefore, we need shell to call the application or double-click to open the installed application to communicate with the kernel. Shell is equivalent to an interface

OS environment variables. bash_profile, bashrc bash shell

OS environment variables. bash_profile and bashrc bash shell environment variables are objects with specific names. They contain information that one or more applications will use. For example, if the system is required to run a program without telling it the complete path of the program, the system searches for this program under the current directory, you should also find the path specified in the path. You can set environment variables to better ru

Basic programming of Bourneagainshell (bash)

Article title: basic programming of Bourneagainshell (bash. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.    It is already running You may find that you are currently running bash. Bash is a standard Linux shell for various

Bash functions and usage skills

Bash functions and usage skills a complete computer architecture includes: hardware and software, and software is divided into system software and application software, only the kernel part of the system software is responsible for hardware management and operation. users cannot deal with the hardware or Kernel. Users can use applications or some systems... information n

Differences and connections between the terminal (terminal), Shell, TTY, console, bash

log of the host, such as switch machine log, the log of important applications, A device called console is in the system, and the log information is displayed on the console. A computer has only one console, but can have multiple terminal. For example, a certain area of the TV on the general will have some buttons, such as power-on, volume, and so on, this area can be used as the console, and this area on the television only one, remote control can b

Bash instance, part 1

Let's take a look at the simple technique for processing command line independent variables, and then look at the basic programming structure of bash. Receive independent variable In the sample program in the introductory article, we use the environment variable "$1" to reference the first command line independent variable. Similarly, you can use "$2" and "$3" to reference the second and third independent variables passed to the script. Here is an exa

Shell upgrade,/bin/bash versions 4.1 to 4.3

Bash environment variables have arbitrary code execution vulnerability: "Using CGI requests can cause remote code execution, which in turn leads to server intrusion, causing serious harm,Patches officially announced are also bypassed", [Vulnerability impact ]: 1) affected bash versions: 3.0 ~ 4.3. Bash versions earlier than 3.0 may also be affected, 2) intrusion

Bash environment variable parsing vulnerability for beginners

1. What are environment variables? Both Windows and Linux programs support environment variables. Generally, environment variables are stored at the beginning of the process memory space as value strings. When you execute a program, you can specify the environment variables to pass information to the program to be executed. On a Windows platform dominated by GUI, generally, users seldom need to use environment variables to transmit information to programs. Environment variables are resources in

Shell upgrade,/bin/bash versions 4.1 to 4.3

Shell upgrade,/bin/bash versions 4.1 to 4.3 Bash environment variables have arbitrary code execution vulnerability: "Using CGI requests can cause remote code execution, which in turn leads to server intrusion, causing serious harm,Patches officially announced are also bypassed", [Vulnerability impact ]: 1) affected bash versions: 3.0 ~ 4.3.

The configuration file loading process at bash startup,

The configuration file loading process at bash startup, Directory: 1.1 determine whether it is interactive or logon 1.2 common bash startup Methods 1.3 load the bash environment configuration file When a user logs on to the system, various bash configuration files will be loaded, a series of variables will be set or cl

Bash functions and usage skills

Bash functions and usage skills a complete computer architecture includes: hardware and software, and software is divided into system software and application software, only the kernel of the system software is responsible for Hardware Management and Operation. Users cannot deal with the hardware or kernel, the user sends commands through applications or some system software (possibly by sending an email vi

Escape in bash

In bash, escape is a method for referencing a single character. the escape character (\ backslash) before a single character tells shell that this character does not need to be interpreted specially, and only serves as the literal meaning. however, in some commands and software packages such as echo and sed, escaping a character may lead to an opposite effect... in bash, escape is a method for referencing a

Fixed the GRUB error of "providing pocket BASH... like line editing" in Linux.

Fixed the GRUB error of "providing pocket BASH... like line editing" in Linux. These two days I installed Elementary OS and Windows, and encountered a Grub error at startup. The command line displays the following information: Minimal BASH like line editing is supported. For the first word, TAB lists possible command completions. anywhere else TAB lists possible device or file completions. Provides a pocket

Installation and configuration tutorial for Git bash

sharing: www.ndislwf.com or ifxvn.com.-Icon Component (addition icons): Choose whether to create a Quick Launch bar icon or whether to create a desktop shortcut;-Desktop Browsing (Windows Explorer integration): The way to browse the source code, a separate context browser only using bash or git GUI tools only; Advanced contextual browsing methods using the Git-cheetah plugin plugin;-Association Profile: whether to associate a git configuration file t

Recognize and learn Bash

We know that the management of the entire computer hardware is actually the kernel of the operating system (kernel), and the kernel is generally required to protect, so we generally users can only through the shell to communicate with the kernel, let the kernel do what we want to do the work. So how many shells does the system have available? Why are we using the shell? --we have to communicate our input commands to the kernel through the "shell" so t

The installation and configuration tutorial for Git bash

default; My blog: Code encyclopedia: www.codedq.net; amateur grass: www.xttblog.com; love to share: www.ndislwf.com or ifxvn.com.-Icon Component (addition icons): Choose whether to create a Quick Launch bar icon or create a desktop shortcut;-Desktop Browsing (Windows Explorer integration): Browse the source method, separate context browsing using only bash or git GUI tools only; The advanced context browsing method uses Git-cheetah plugin plug-ins;-A

Bash Learning ahead

#!/bin/sh#!/bin/bashView Shell versionBash--versionBash vulnerabilityThe Bash vulnerability is a vulnerability in software that controls the command prompt for a Linux computer. exploiting this vulnerability, an attacker could take over the entire operating system of a computer, access confidential information, make changes to the system, and so on. Anyone's

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