find searches the directory tree
rooted at each given file name by evaluating
the given expression from left to right,
according to the rules of precedence, until the
outcome is known (the left hand side is false
for and operations, true for or), at which
point find moves on to the next file
name.
The syntax of find command is:
find where-to-look criteria what-to-do
I have tried to explain the find command usage with all
possible examples:
Part I – Find Files Based on their
types
1. Find Files Using Name in Current Directory
Find all
the files whose name is codeon.txt in a current working
directory.
# find . -name codeon.txt
2.
Find Files Under Home Directory
Find all the files under
/home directory with name codeon .txt.
# find /home
-name codeon.txt
3. Find Files Using Name and Ignoring Case
Find all the
files whose name is codeon .txt and contains both capital and small letters in
/home directory.
# find /home
-iname codeon.txt
4. Find Directories Using
Name
Find all directories whose name is Codeon in
/directory.
# find / -type d -name
Codeon
5. Find PHP Files Using Name
Find all php files
whose name is codeon .php in a current working directory.
# find . -type f -name codeon.php
6. Find
all PHP Files in Directory
# find . -type f -name
"*.php"
Part II – Find Files Based on their
Permissions
7. Find all the files
whose permissions are 777
# find . -type f -perm
-0777
8. Find all the files
without permission 777
# find / -type f ! -perm
-777
9. Find all the SGID bit set
files whose permissions set to 644
# find / -perm
-2644
10. Find all the Sticky Bit
set files whose permission are 551
# find / -perm -1551
11.
Find all SUID set Files
# find / -perm
-4000
12. Find all SGID set
files
# find / -perm
-2000
13. Find all Sticky bit set
files
# find / -perm
-1000
14. Find all Read Only files
# find / -perm /u=r
15. Find all Executable
Files
# find / -perm
/a=x
16. Find all 777 permission
files and use chmod command to set permissions to 644
# find / -type f -perm 0777 -print -exec chmod 644 {}
\;
17. Find all 777 permission
directories and use chmod command to set permissions to
755
# find / -type d -perm 777 -print -exec chmod 755
{} \;
18. Find and remove single File
To
find a single file called codeon .txt and remove it.
# find . -type f -name "codeon.txt" -exec rm -f {}
\;
19. Find and remove Multiple File
To find
and remove multiple files such as .mp3 or .txt, then
use.
# find . -type f -name "*.txt" -exec rm -f {}
\;
OR
# find . -type f -name "*.mp3" -exec rm -f
{} \;
20. Find all Empty Files
To find
all empty files under certain path.
# find /tmp
-type f -empty
21. Find all Empty
Directories
To find all empty directories under certain
path.
# find /tmp -type d
-empty
22. File all Hidden Files
To find all
hidden files, use below command
# find /tmp -type
f -name
".*"
Note: always
put -name before ".*"
Part III - Search files based on owners and
groups
23. Find Single File Based on User
To find all or single
file called codeon .txt under /root directory of owner root.
# find / -user root -name codeon.txt
24.
Find all Files Based on User
To find all files that belongs to user
Codeon under /home directory.
# find /home -user
codeon
25. Find all Files Based on Group
To
find all files that belongs to group Developer under /home
directory.
# find /home -group
Developer
26. Find Particular Files of User
To
find all .txt files of user codeon under /home directory.
# find /home -user codeon -iname
"*.txt"
Part IV – Find Files and Directories Based
on Date and Time
27. Find Last 50 Days Modified Files
To find all the
files which are modified 50 days back.
# find /
-mtime 50
28. Find Last 50 Days Accessed
Files
To find all the files which are accessed 50 days
back.
# find / -atime
50
29. Find Last 50-100 Days Modified Files
To
find all the files which are modified more than 50 days back and less than 100
days.
# find / -mtime +50 –mtime
-100
30. Find Changed Files in Last 1 Hour
To
find all the files which are changed in last 1 hour.
# find / -cmin -60
31. Find Modified Files
in Last 1 Hour
To find all the files which are modified in last 1
hour.
# find / -mmin
-60
32. Find Accessed Files in Last 1 Hour
To
find all the files which are accessed in last 1 hour.
# find / -amin -60
Part V - Find files and directories based on
size
33. Find 50MB Files
To find all 50MB files,
use
# find / -size
50M
34. Find Size between 50MB – 100MB
To find
all the files which are greater than 50MB and less than
100MB.
# find / -size +50M -size
-100M
35. Find and Delete 100MB Files
To find
all 100MB files and delete them using one single command.
# find / -size +100M -exec rm -rf {}
\;
36. Find Specific Files and Delete
Find all
.mp3 files with more than 10MB and delete them using one single
command.
# find / -type f -name *.mp3 -size +10M
-exec ls -l {} \;
- See more at:
http://www.coolcoder.in/2014/02/find-command-usage-in-linux-with.html#sthash.vnYfMYA6.dpuf
Find command usage in Linux with excellent
examples--reference
原文：http://www.cnblogs.com/davidwang456/p/3542289.html
