实践大师unix高级用户笔记

1. $(command)  vi $(grep -l "error" /*)
2. dircmp dir1 dir2|more
3. find ~ -type f -exec grep -l hty {} /;
4. find ~ -type f -print|xargs grep hty
5. vi
6. tr -d '/r' <dosfile> unixfile
7. ~/.exrc