A Practical Guide to Ubuntu Linux Ubuntu Linux 实战手册 183 7 The Shell 219 PART III Digging into Ubuntu Linux 249 8 Linux GUIs: X and GNOME 251 9 The Bourne Again Shell 275 10 Networking and the Internet 353 11 Programming the Bourne Again Shell 395 x
oracl 和db2 常用语法比较： 1、取前N条记录 Oracle：Select * from TableName where rownum <= N; DB2：Select * from TableName fetch first N rows only; 2、取得系统日期 Oracle：Select sysdate from dual; DB2：Select current timestamp from sysibm.sysdummy1; 3、空值转换 Oracle：Select
Java Basics 1. What is the difference between JDK and JRE? 2. What is Java Virtual Machine (JVM)? 3. What are the different types of memory areas allocated by JVM? 4. What is JIT compiler? 5. How Java platform is different from other platforms? 6. W
