- name
/ root directory
. current directory
find / -name '*.c"
-perm (r-xr-xr-x)
find / -perm 555
-type
b : block device
c : character divice
d : directory
l : symbolic link
p : pipe
s : socket
find . -type d
-atime (access time)
find . -atime +30 -type d
-ctime (changed time)
find . -ctime -10
-mtime (modified time)
-user (user own's file)
find / -user aaa
-group
find . -group test123
-empty ( empty file or directory)
-exec (if it find files, execute these)
- exec command {} ;
find . -name "[A]*" - print
find . -name 'next*' -print