Linux检察某文件中字符出现次数指令

Linux检查某文件中字符出现次数指令cat access.log |grep ip |wc -lmore ?access.log |grep ip |wc -l

Linux检查某文件中字符出现次数指令

cat access.log |grep "ip" |wc -l

more ?access.log |grep "ip" |wc -l