Obtaining differences between the two folders
[root @ CentOS77 gpadd2] # diff -rq / gdadd / / root / gpadd2 / | awk ' {Print $ 4} ' | grep -v / platform Ministry has not yet issued, Zhao Lei patch .rar [root @ CentOS77 gpadd2] # diff - RQ / gdadd / / the root / gpadd2 / | awk ' {}. 4 Print $ ' | grep / / the root / gpadd2 / the nohup. OUT