- linux 压缩解压缩
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- .tar
解包：tar zxvf FileName.tar
打包：tar czvf FileName.tar DirName
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- .gz
解压1：gunzip FileName.gz
解压2：gzip -d FileName.gz
压缩：gzip FileName
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- .tar.gz 和 .tgz
解压：tar zxvf FileName.tar.gz
压缩：tar zcvf FileName.tar.gz DirName
whereis xxx,找出xxx的位置。
Chrome
Ctrl+T Open a new tab
Ctrl+Shift+T Reopen the last tab you've closed. Google Chrome remembers the last 10 tabs you've closed.
Ctrl+H View the History page
Ctrl+J View the Downloads page
Shift+Escape View the Task manager
Type a web address, then press Alt+Enter Open your web address in a new tab
Type the part of the web address that's between 'www.' and '.com', then press Ctrl+Enter Add www.and .com to your input in the address bar and open the web address