How To Use Find Command in UNIX (Linux) | Find Command Options With Examples || Nehra Classes

How To Use Find Command in UNIX (Linux) | Find Command Options With Examples || Nehra Classes
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1. Find Files Using Name in Current Directory
Find all the files whose name is nehraclasses.txt in a current working directory.

find . -name nehraclasses.txt

./nehraclasses.txt
2. Find Files Under Home Directory

Freestar
Find all the files under /home directory with name nehraclasses.txt.

find /home -name nehraclasses.txt

/home/nehraclasses.txt
3. Find Files Using Name and Ignoring Case
Find all the files whose name is nehraclasses.txt and contains both capital and small letters in /home directory.

find /home -iname nehraclasses.txt

./nehraclasses.txt
./nehraclasses.txt
4. Find Directories Using Name
Find all directories whose name is nehraclasses in / directory.

find / -type d -name nehraclasses

/nehraclasses
5. Find PHP Files Using Name
Find all php files whose name is nehraclasses.php in a current working directory.

find . -type f -name nehraclasses.php

./nehraclasses.php
6. Find all PHP Files in Directory
Find all php files in a directory.

find . -type f -name "*.php"

./nehraclasses.php
./login.php
./index.php
Part II – Find Files Based on their Permissions
7. Find Files With 777 Permissions
Find all the files whose permissions are 777.

find . -type f -perm 0777 -print
8. Find Files Without 777 Permissions
Find all the files without permission 777.

find / -type f ! -perm 777
9. Find SGID Files with 644 Permissions
Find all the SGID bit files whose permissions set to 644.

find / -perm 2644
10. Find Sticky Bit Files with 551 Permissions
Find all the Sticky Bit set files whose permission are 551.

find / -perm 1551
11. Find SUID Files
Find all SUID set files.

find / -perm /u=s
12. Find SGID Files
Find all SGID set files.

find / -perm /g=s
13. Find Read Only Files
Find all Read Only files.

find / -perm /u=r
14. Find Executable Files
Find all Executable files.

find / -perm /a=x
15. Find Files with 777 Permissions and Chmod to 644
Find all 777 permission files and use chmod command to set permissions to 644.

find / -type f -perm 0777 -print -exec chmod 644 {} \;
16. Find Directories with 777 Permissions and Chmod to 755

find / -type d -perm 777 -print -exec chmod 755 {} \;
17. Find and remove single File
To find a single file called nehraclasses.txt and remove it.

find . -type f -name "nehraclasses.txt" -exec rm -f {} \;
18. 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 {} \;
19. Find all Empty Files
To find all empty files under a certain path.

find /tmp -type f -empty
20. Find all Empty Directories
To file all empty directories under a certain path.

find /tmp -type d -empty
21. File all Hidden Files
To find all hidden files, use the below command.

find /tmp -type f -name ".*"

22. Find Single File Based on User
To find all or single file called nehraclasses.txt under / root directory of owner root.
find / -user root -name nehraclasses.txt

23. Find all Files Based on User
To find all files that belong to user nehraclasses under /home directory.

find /home -user nehraclasses

24. Find all Files Based on Group
find /home -group developer

25. Find Particular Files of User
find /home -user nehraclasses -iname "*.txt"

26. Find Last 50 Days Modified Files
find / -mtime 50

27. Find Last 50 Days Accessed Files
find / -atime 50

28. Find Last 50-100 Days Modified Files
find / -mtime +50 –mtime -100

29. Find Changed Files in Last 1 Hour
find / -cmin -60

30. Find Modified Files in Last 1 Hour
find / -mmin -60

31. Find Accessed Files in Last 1 Hour
find / -amin -60

32. Find 50MB Files
find / -size 50M

33. Find Size between 50MB – 100MB
find / -size +50M -size -100M

34. Find and Delete 100MB Files
find / -type f -size +100M -exec rm -f {} \;

35. Find Specific Files and Delete
find / -type f -name *.mp3 -size +10M -exec rm {} \;
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