dragoon ps1

One of the benefits of Git is that the branch management of the code becomes an extremely convenient thing, the branch only retains the difference, does not have to copy any files, does not connect the network, quickly creates, uses is deleted. The GIT branch has nothing to do with the complexity of the project, no matter how complicated your project is, creating a git branch is always an instant thing. At the same time, because the information of the parent class branch is preserved, the mergin

If your directory level is very deep, this shell will be very convenient to switch directly to the destination directory, such as Current directory/usr/home, and directory Desdir in/usr/home/app/local/opp/william/desdir Direct penetration $ CD Desdir, you can switch directly from the current directory/use/home to/usr/home/app/local/opp/william/desdir Configure. Profile, add two lines . ./bin/chdir Alias cd= ' ChDir ' File:chdir # Auto Find your directory # Writer:william 2006 Beijing #

] ~]# bash into the child shell[Email protected] ~]# echo $a1[[email protected] ~]# vim/etc/profile Add a custom variable to the configuration file[Email protected] ~]# echo $c1[[email protected] ~]# unset c Cancel variable value unset[Email protected] ~]# Vim/etc/profile[[email protected] ~]# vim/etc/profile.d/path.sh defined path#!/bin/bashExport path= $PATH:/tmp/Global Declaration path= $PATH:/tmp/~Source/etc/profile immediate effect[Email protected] ~]# echo $PATH you'll find a little more/t

1. Introduction to PS1 variablesPS1 is an environment variable for Linux end users that describes the settings for the command line prompt.You can use the Man Bash command to view the Bash Handbook, find the special characters that the variable supports, and the meaning of these special characters:\d: #代表日期, formatted as weekday month date, for example: "Mon-1"\h: #完整的主机名称.\h: #仅取主机的第一个名字, as in the example above, Fc4,.linux is omitted\ t: #显示时间为24小时格

${#var} 6.2. Identify the current shell version$ echo $SHELL /bin/ bash $ echo $0 Bash6.3. Check whether it is a super userUID is an important environment variable that can be used to check whether the current script is running as a superuser or as a normal user: if [$UID-ne 0 ]; Then Echo Non root user. Please run as root. Else echo "Root user" fi #root用户的UID是06.4. Modify BASH Hint stringYou can use the PS1 environment variable to customize t

1. Set the environment variable histsize so that it can save 10,000 command history. vim/etc/profile change histsize=1000 to histsize=10000 2. Why do I set PS1 (ps1= "[\[emailprotected]\h \w]\$") display the results to be different from what we expected, and how do I set it to restore the original default? should be ps1= ' [\[emailprotected]\h \w]$ ' (

Failed to enter the desktop after a successful boot entry (wireless loop prompts for a password). May be due to changes in/etc/profile, at this time you can restart the computer in the system selection when the advanced option to enter the interface-free terminal mode.Using commands Vim/etc/profile Open profile file to restore the file to its original state (probably due to the addition of export import new environment variable)Just copy the configuration file to overwrite the original configur

implementation.In the beginning, the script to test the installation of vcredits2008 is this:Vcredist_2008.ps1$pathvargs _2008 = {c:\tmp\vcredist2008_x64.exe/s/v/qn}Invoke-command-scriptblock $pathvargs _2008Then the Ansible-playbook script is like this:WIN_SHELL.YML:----Name:run Win_shell hosts:ec2_windows gather_facts:false tasks:-Name:install Mp\vcredist_2008.ps1Ansible-playbook win_shell.yml execution, found incredibly successful.Leaf out, click

. d/RCs, which is Mount the file system specified in the file etc/fstab to the corresponding mount point. The mounting of these file systems is execution. The premise that the mdev-s command establishes the dev directory. (4) After the startup script etc/init. d/RCS is executed, a shell is started at the serial port tq2440_serial0. During shell startup, the login environment is configured according to the file/etc/profile. Modify the/etc/profile file as follows: User = "'id-UN '" LOGNAME =

Check for running Windows Vista andLAN chatThe computer boot configuration file can usually solve boot-related problems for users and provide a lot of valuable information. Information such as boot partitions, boot directories, and Windows directories is often useful for troubleshooting. In most cases, it takes a lot of time to obtain such information through the vbs script.LAN chat -www.freeeim.comIf Windows Vista and Windows Server 2008 cannot be started properly, you can check whether the boo

6.3 Interactive Shell * What is an interactive shell? What makes a Shel interactive.* Is it an interactive shell? How to determine whether a shell is interactive.* What are the differences between Interactive Shell and interactive shell? 6.3.1 what is an interactive shell?Interactive Shell has no non-option parameters except-s at startup, does not specify the-C option, and the input and error outputs are all connected to the terminal (determined by isatty (3 ), or use the-I option to start the

~ /. Bashrc 1, BashThe prompt is a PS1 variable. The default is an environment variable. The following contains a complete list of the symbols bash uses in PS1: /A ascii Bell character (you can also type/007)/D "wed Sep 06" format date/E ascii escape character (you can also type/033)/H the first part of the Host Name (such as "mybox ")/H Host Name (for example "")/J number of processes suspended by pressin

Color command line OverviewThis document uses bash shell as an example. (Escape sequences in different terminals are not exactly the same ).Shell configurationShell color configuration appears in the bash Personal Configuration File~ /. BashrcOr a global configuration file./Etc/bashrc. You can useBashrcTo set the appearance of the prompt.For example:

How to modify the Linux Command Prompt 14:01:23 www.hackbase.com Source: InternetIn Linux, you can modify the environment variable PS1 (command line prompt). You can use VI to edit the/etc/profile file and add: Export PS1 = '[U @ H w] $' at the end, U displays the current user account, H displays the current host name, W displays the current path, and $ displays the '$' symbol.In Linux, you can modify the e

time. you can use the set command at the $ prompt to set or cancel the shell option, and use the-set option, + cancel the corresponding options. most UNIX systems allow switch setting/cancellation of a, e, f, h, k, n, u, v, and x. Set-xv Start tracing method. all commands and replicas are displayed, and input is also displayed. Set-tu Disable the check for undefined variables during replacement. Use echo $-to display all configured shell options. (5) user startup file. profile PATH = $ PATH:/us

"Hello,/ > My friend" Hello, my friend Prompt In linux, the prompt is usually $, which is already the root user #. This is related to the specific linux version. We can also set our prompt, such as adding the user name and time. In Linux with four prompts, PS1, PS2, PS3 and PS4. PS1 is the default prompt. For example, we need to change the user name to $. You can reset

Q: How can I change the shell display mode to [complete working directory of username @ host] $ to [last working directory of username @ host] $ Solution: Add export PS1 = '[/u @/h/W]/$' to. bashrc' Note: In Linux, there are two variables for the system prompt: PS1 and PS2. PS1 is the system prompt. The general format is:[Username @ hostWorking directory] #, t

(remember to back up to avoid failure ). [Cpp] #/etc/profile: system-wide. profile file for the Bourne shell (sh (1) # and Bourne compatible shells (bash (1), ksh (1), ash (1 ),...). if ["$ PS1"]; then if ["$ BASH"] ["$ BASH "! = "/Bin/sh"]; then # The file bash. bashrc already sets the default PS1. # PS1 = '\ h: \ w \ $' if [-f/etc/bash. bashrc]; then. /etc/ba

Linux Shell Command Prompt and color modification, linuxshell 1. Sequence of loading configuration files during Linux Logon: /Etc/profile →/etc/profile. d/*. sh → ~ /. Bash_profile → ~ /. Bashrc → [/etc/bashrc]You can view the default ~ The/. bashrc file is as follows: 1 [root@localhost ~]$ cat ~/.bashrc 2 # .bashrc3 4 # User specific aliases and functions5 6 # Source global definitions7 if [ -f /etc/bashrc ]; then8 . /etc/bashrc9 fi 2. The Shell command prompt and color are configured by

["$ PS1"]; then # if the shell environment exists and is not sh, read/etc/bash. bashrc if ["$ BASH"] ["$ BASH "! = "/Bin/sh"]; then # The file bash. bashrc already sets the default PS1. # PS1 = '\ h: \ w \ $' if [-f/etc/bash. bashrc]; then. /etc/bash. bashrc fi else if ["'id-U'"-eq 0]; then PS1 = '# 'else