change directory

基本解釋

Create a temporary directory for the installation files, and change directory (cd) into it
爲安裝文件創(chuàng)建一個臨時目錄，竝切換到（ cd ）那個目錄
Change directory up one level, and create a bare Git repository by cloning the project that you just created for your Web content
更改到上一級目錄，通過複制剛剛爲 Web 內(nèi)容創(chuàng)建的項目創(chuàng)建一個裸 Git 存儲庫
The -C option forces the receiving tar to change directory to stuff (in your remote home directory) before it begins any processing.
C 選項強迫接收方的 tar 在開始進行任何処理之前，將目錄更改到 stuff（在遠程 home 目錄中）。