Find. -type f! -name "*.O" excludes a class of files excluding multiple-class file exclusion hidden files

# ls First look at some files, this is the Linux unique Android driver. (Table of Contents: Kernel/drivers/staging/android/)

# Find.-type f!-name "*.O" excludes files that end with ". O", but hides the file (with "." The beginning of the document) also found out. That is to exclude certain types of files .

# Find.-type f!-name "*.O"-type F!-name ". *" excludes files that end with ". O" and excludes hidden files. That is to exclude multiple types of files .

# Find.-type f!-name "*.O"-type f!-name "*.cmd" | grep binder combines grep to list the files that will be queried after the exclusion.