linux 上查找包含特定文本的所有文件

> grep -rnw '/path/to/somewhere/' -e 'pattern'

> grep --include=\*.{c,h} -rnw '/path/to/somewhere/' -e "pattern"

> grep --exclude=\*.o -rnw '/path/to/somewhere/' -e "pattern"

> grep --exclude-dir={dir1,dir2,*.dst} -rnw '/path/to/somewhere/' -e "pattern"

> awk "/root/" /etc/passwd

> find / -type f -exec grep -l "rumenz" {} \; 
> find . -name "*.txt" | xargs grep -i "rumenz"

> ffind 'rumenz'

> ack-grep "rumenz"

> ack -i rumenz doc/*

> git grep "rumenz"