Bash確實是不錯的Shell，但仍有用不少不盡人意的地方，如自動補全的功能不夠強大，定位較長路徑不夠方便，命令歷史管理不夠完善等。javascript

介紹使用zsh，功能十分強大…推薦給你們！java

1 介紹zsh

1.1 Linux shell

經常使用的Shell有這么幾種，sh、bash、csh等，想知道你的系統有幾種shell，能夠經過如下命令查看：linux

cat /etc/shells

未安裝zsh，顯示結果以下：

/bin/sh

/bin/bash

/sbin/nologin

/bin/dash

/bin/tcsh

/bin/cshgit

1.2 zsh簡介

Zsh是一個Linux下強大的shell, 因為大多數Linux產品安裝，以及默認使用bash shell, 可是絲絕不影響極客們對zsh的熱衷, 幾乎每一款Linux產品都包含有zsh，一般能夠用apt-get、urpmi或yum等包管理器進行安裝github

Zsh具備如下主要功能

開箱即用、可編程的命令行補全功能能夠幫助用戶輸入各類參數以及選項

在用戶啟動的全部shell中共享命令歷史

經過擴展的文件通配符，能夠不利用外部命令達到find命令通常展開文件名

改進的變量與數組處理

在緩沖區中編輯多行命令

多種兼容模式，例如使用/bin/sh運行時能夠假裝成Bourne shell

能夠定制呈現形式的提示符；包括在屏幕右端顯示信息，并在鍵入長命令時自動隱藏

可加載的模塊，提供其余各類支持：完整的TCP與Unix域套接字控制，FTP客戶端與擴充過的數學函數

徹底可定制化web

1.3 zsh與oh-my-zsh終極配置

以前是由于看到這篇文章：終極Shell——Zsh 才選擇使用zsh，被它的自動完成、補全功能吸引了。shell

這也是“工欲善其事，必先利其器”系列文章。vim

選擇oh-my-zsh, oh-my-zsh是基于zsh的功能作了一個擴展，方便的插件管理、主題自定義，以及漂亮的自動完成效果。數組

在Github上找關于zsh的項目時發現的，試用了一下以為很方便，不用像上面文章里面提到的那么復雜，配置一些插件的名稱便可使用相應的功能。

2 安裝zsh

2.1 安裝zsh

對于通常的Ubuntu系統，配置好正確的源以后，就能直接鍵入如下命令安裝：

sudo apt-get install zsh

對于linux系統，直接使用如下命令安裝：

yum -y install zsh

2.2 配置zsh

把.zshrc拷貝到相應用戶的home目錄便可

(也能夠把你的bash的配置文件(/.bash_prorile或者/.profile等)給拷貝到zsh的配置文件~/.zshrc里，由于zsh兼容bash)

使用 Zsh 擴展集合：oh-my-zsh

oh-my-zsh 幫咱們整理了一些經常使用的 Zsh 擴展功能和主題：https://github.com/robbyrussell/oh-my-zsh

咱們無需本身去搗搞 Zsh，直接用 oh-my-zsh 就足夠了，若是你想繼續深造的話那再去弄。

先安裝 git：sudo yum install -y git

安裝 oh-my-zsh(這個過程可能會有點慢，或者須要重試幾回)：wget https://raw.github.com/robbyrussell/oh-my-zsh/master/tools/install.sh -O - | sh

安裝效果圖以下：

在以 root 用戶為前提下，oh-my-zsh 的安裝目錄：/root/.oh-my-zsh

在以 root 用戶為前提下，Zsh 的配置文件位置：/root/.zshrc

為 root 用戶設置 zsh 為系統默認 shell：chsh -s /bin/zsh root

若是你要從新恢復到 bash：chsh -s /bin/bash root

如今你關掉終端或是從新連上 shell，如今開頭是一個箭頭了，以下圖：

如今zsh和oh-my-zsh都安裝好了，如今重點講下zsh的配置!

建立~/.zshrc配置文件，先給看下個人配置，能夠憑本身喜愛更改：

# If you come from bash you might have to change your $PATH.

# export PATH=$HOME/bin:/usr/local/bin:$PATH

# Path to your oh-my-zsh installation.

export ZSH=/home/amoscykl/.oh-my-zsh

# Set name of the theme to load. Optionally, if you set this to "random"

# it'll load a random theme each time that oh-my-zsh is loaded.

# See https://github.com/robbyrussell/oh-my-zsh/wiki/Themes

# zhs的主題

ZSH_THEME="ys"

# Set list of themes to load

# Setting this variable when ZSH_THEME=random

# cause zsh load theme from this variable instead of

# looking in ~/.oh-my-zsh/themes/

# An empty array have no effect

# ZSH_THEME_RANDOM_CANDIDATES=( "robbyrussell" "agnoster" )

# Uncomment the following line to use case-sensitive completion.

# CASE_SENSITIVE="true"

# Uncomment the following line to use hyphen-insensitive completion. Case

# sensitive completion must be off. _ and - will be interchangeable.

# HYPHEN_INSENSITIVE="true"

# Uncomment the following line to disable bi-weekly auto-update checks.

# DISABLE_AUTO_UPDATE="true"

# Uncomment the following line to change how often to auto-update (in days).

# export UPDATE_ZSH_DAYS=13

# Uncomment the following line to disable colors in ls.

# DISABLE_LS_COLORS="true"

# Uncomment the following line to disable auto-setting terminal title.

# DISABLE_AUTO_TITLE="true"

# Uncomment the following line to enable command auto-correction.

# ENABLE_CORRECTION="true"

# Uncomment the following line to display red dots whilst waiting for completion.

# COMPLETION_WAITING_DOTS="true"

# Uncomment the following line if you want to disable marking untracked files

# under VCS as dirty. This makes repository status check for large repositories

# much, much faster.

# DISABLE_UNTRACKED_FILES_DIRTY="true"

# Uncomment the following line if you want to change the command execution time

# stamp shown in the history command output.

# The optional three formats: "mm/dd/yyyy"|"dd.mm.yyyy"|"yyyy-mm-dd"

# HIST_STAMPS="mm/dd/yyyy"

# Would you like to use another custom folder than $ZSH/custom?

# ZSH_CUSTOM=/path/to/new-custom-folder

# Which plugins would you like to load? (plugins can be found in ~/.oh-my-zsh/plugins/*)

# Custom plugins may be added to ~/.oh-my-zsh/custom/plugins/

# Example format: plugins=(rails git textmate ruby lighthouse)

# Add wisely, as too many plugins slow down shell startup.

# z命令快速跳轉目錄 x命令解壓一切文件 命令行能夠直接google

plugins=(

git z zsh-autosuggestions extract web-search zsh-syntax-highlighting

)

source $ZSH/oh-my-zsh.sh

# User configuration

# export MANPATH="/usr/local/man:$MANPATH"

# You may need to manually set your language environment

# export LANG=en_US.UTF-8

# Preferred editor for local and remote sessions

# if [[ -n $SSH_CONNECTION ]]; then

# export EDITOR='vim'

# else

# export EDITOR='mvim'

# fi

# Compilation flags

# export ARCHFLAGS="-arch x86_64"

# ssh

# export SSH_KEY_PATH="~/.ssh/rsa_id"

# Set personal aliases, overriding those provided by oh-my-zsh libs,

# plugins, and themes. Aliases can be placed here, though oh-my-zsh

# users are encouraged to define aliases within the ZSH_CUSTOM folder.

# For a full list of active aliases, run `alias`.

#

# Example aliases

# alias zshconfig="mate ~/.zshrc"

# alias ohmyzsh="mate ~/.oh-my-zsh"

#

保存并執行命令，使配置生效：

cd ~ && source .zshrc

總結

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