摘要：
参考: http://www.cyberciti.biz/faq/copy-folder-linux-command-line/In this example copy /home/vivek/letters folder and all its files to /usb/backup direc 阅读全文
摘要：
参考：http://vim.wikia.com/wiki/Copy,_cut_and_pastePosition the cursor where you want to begin cutting.Press v to select characters (or uppercase V to se 阅读全文