关于awk和sed在IBM的文章链接

awk：
http://www.ibm.com/developerworks/cn/linux/shell/awk/awk-1/
http://www.ibm.com/developerworks/cn/linux/shell/awk/awk-2/
http://www.ibm.com/developerworks/cn/linux/shell/awk/awk-3/

sed：
http://www.ibm.com/developerworks/cn/linux/shell/sed/sed-1/
http://www.ibm.com/developerworks/cn/linux/shell/sed/sed-2/
http://www.ibm.com/developerworks/cn/linux/shell/sed/sed-3/

然后
man awk
man sed