[root@file ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth0

cat i-d49dec9f.rhdrm.server.log | grep 'SEARCH STRING... :' | tail -n 10 cat i-d49dec9f.rhdrm.server.log | grep 'i-d49dec9f, TIME :\|ElapsedTime(sec)\|END TIME :' | tail -n 30 grep -E 'pattern1|pattern2' filename egrep 'pattern1|pattern2' filename grep -e pattern1 -e pattern2 filename egrep 'Manager|Developer' employee.txt | grep -v Sales ===> -v 제거 cat i-9affdbce.sedrm.server.lo* | grep 'STDERR..

cat 해당파일명 | grep "empas.com" >> empas.log