摘要：The only time a variable appears "naked" -- without the $prefix -- is when declared or assigned, when unset, when exported, or in the special case of a variable representing a signal.Double quotes (".... 阅读全文

摘要：apt-get install scim-pinyinuse ctl+space to switch between different language 英文Locale下使用中文输入法. Please read thisAs usual, it doesn't work in my case. Still looking for solution. 阅读全文

摘要：http://www.cyberciti.biz/tips/understanding-unixlinux-file-system-part-i.htmlThis series is interesting. If anyone read these articles, please feel free to post your comments here.Thanks. 阅读全文