[root@nfs-server ~]#whatis cd
cd (1p) - change the working directory
cd [builtins] (1) - bash built-in commands, see bash(1)
#从上文的输出结果我们看到cd命令是bash的内建命令，它的功能是改变当前目录，可以在1和1p的章节中查看它的帮助。
$ man 1 cd
$ man 1p cd

# 安装cht.sh 客户端脚本
PATH_DIR="$HOME/bin"  # or another directory on your $PATH
mkdir -p "$PATH_DIR"
curl https://cht.sh/:cht.sh > "$PATH_DIR/cht.sh"
chmod +x "$PATH_DIR/cht.sh"

# 命令
$ cht.sh tar

# 编程语言
$ cht.sh go reverse a list

# 交互式启动
$ cht.sh --shell
cht.sh> go reverse a list

# 显示当前用户  ID (UID), group ID (GID) and groups
$ id
# 显示指定用户  ID (UID), group ID (GID) and groups
$ id username

# 显示当前UID
$ id -u
# 显示当前用户名
$ id -u -n

# 显示当前 GID
$ id -g
# 显示当前 group名
$ id -g -n

sudo apt update
sudo apt install python3-dev python3-pip python3-setuptools
pip3 install thefuck --user
# edit .zshrc, 添加环境变量 export PATH="$PATH:~/.local/bin/"

brew install thefuck
# edit .zshrc, 添加环境变量 export PATH="$PATH:~/.local/bin/"

# ubuntu
curl https://pyenv.run | bash
# macos
brew install pyenv

export PYENV_ROOT="$HOME/.pyenv"
[[ -d $PYENV_ROOT/bin ]] && export PATH="$PYENV_ROOT/bin:$PATH"
eval "$(pyenv init -)"

curl -s "https://get.sdkman.io" | bash

#THIS MUST BE AT THE END OF THE FILE FOR SDKMAN TO WORK!!!
export SDKMAN_DIR="$HOME/.sdkman"
[[ -s "$HOME/.sdkman/bin/sdkman-init.sh" ]] && source "$HOME/.sdkman/bin/sdkman-init.sh"

# ubuntu
curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.5/install.sh | bash
# macos
brew install nvm

export NVM_DIR="$HOME/.nvm"
[ -s "/usr/local/opt/nvm/nvm.sh" ] && \. "/usr/local/opt/nvm/nvm.sh"  # This loads nvm
[ -s "/usr/local/opt/nvm/etc/bash_completion.d/nvm" ] && \. "/usr/local/opt/nvm/etc/bash_completion.d/nvm"  # This loads nvm bash_completion

git config --global user.name "xxx"
git config --global user.email "xxx@example.com"

git config --list --show-origin

git branch --set-upstream-to=[remote_repo]/[remote_branch]  [local_branch]

git config --global core.quotepath false

#简洁模式查看本地仓库状态
$ git status -s	

# 查看所有可用的历史版本记录（实际是HEAD变更记录），包含被回退的记录
$ git reflog	

# 查看日志(最近20条)，不带参数-n则显示所有日志
$ git log -n20	
## 参数“--oneline”可以让日志输出更简洁（一行）
$ git log -n20 --oneline	
## 	参数“--graph”可视化显示分支关系
git log -n20 --graph
## 显示某个文件的版本历史
git log --follow [file]

# 以列表形式显示指定文件的修改记录
git blame [file]	

sudo apt install zsh

echo $SHELL
/bin/bash
$ which zsh
/usr/local/bin/zsh
$ chsh -s /usr/local/bin/zsh

sh -c "$(curl -fsSL https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/master/tools/install.sh)"

# .zshrc
plugins=(
    # 内置插件: 输入alias-finder搜索定义的别名，并输出与输入命令匹配的任何别名
    alias-finder 
    # 内置插件: 使用z命令快速跳转历史浏览路径。
    z   
    # 内置插件: 连按两次ESC,在命令行前自动添加 sudo         
    sudo
    # 内置插件: 回到上次工作目录       
    last-working-dir
    # 内置插件: 使用wd命令添加路径书签,快速跳转。                 
    wd
    # 内置插件: 提供对git支持
    git
    # 内置插件: history 命令                
    history
    # 内置插件: 提供快速解压功能,输入`x`解压。                   
    extract
    # 内置插件: 提供对ubuntu支持
    ubuntu     
    # 内置插件: 提供对docker支持               
    docker   
    # 内置插件: 提供对macos支持
    macos
    # 内置插件: 提供对maven支持
    mvn                       
)

# .zshrc
HIST_STAMPS="yyyy-mm-dd"

#通过设置标识关闭 dirty 检查
git config --add oh-my-zsh.hide-dirty 1
#若需要打开，则：
git config --add oh-my-zsh.hide-dirty 0

bindkey '^[[A' history-substring-search-up
bindkey '^[[B' history-substring-search-down

# ubuntu
sudo apt install fzf
# macos
brew install fzf

brew install gawk grep

git clone https://github.com/lincheney/fzf-tab-completion.git ${ZSH_CUSTOM:=~/.oh-my-zsh/custom}/plugins/fzf-tab-completion
#then edit ~/.zsh file.
source $HOME/.oh-my-zsh/custom/plugins/fzf-tab-completion/zsh/fzf-zsh-completion.sh
# 添加配置
## only aws command completion 
zstyle ':completion:*:*:aws' fzf-search-display true
## or for everything
zstyle ':completion:*' fzf-search-display true

git clone https://github.com/zsh-users/zsh-syntax-highlighting.git ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-syntax-highlighting

git clone https://github.com/zsh-users/zsh-autosuggestions ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-autosuggestions

git clone https://github.com/paulirish/git-open.git ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/git-open

git clone https://github.com/zsh-users/zsh-completions  ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-completions

# zsh
curl -L https://iterm2.com/shell_integration/zsh -o ~/.iterm2_shell_integration.zsh

test -e "${HOME}/.iterm2_shell_integration.zsh" && source "${HOME}/.iterm2_shell_integration.zsh" || true

proxy="127.0.0.1:7890"
alias setproxy="export https_proxy=http://${proxy};export http_proxy=http://${proxy};export all_proxy=socks5://${proxy};echo \"Set proxy successfully\" "
alias unsetproxy="unset http_proxy;unset https_proxy;unset all_proxy;echo \"Unset proxy successfully\" "
alias testproxy='curl -vv https://www.google.com'