find

Find - search for files in a directory hierarchy.

Find all the files with name "joe.txt" in the current directory

find . -name joe.txt

Find all the files under /home/user01 directory with name joe.txt.

find /home/user01 -name joe.txt
find /home/user01 -iname joe.txt (iname to ignore case )

Find all directories (only directories) with name movies

find / -type d -name movies

Find all files (only files) with name iron-man.avi

find / -type f -name iron-man.avi

Find all doc files in a directory.

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

Find all the files with permission 777:

find . -type f -perm 0777 -print

Find all the SGID bit files with permissions set to 644:

find / -perm 2644

Find all SUID set files:

find / -perm /u=s

Find all Read Only files.

find / -perm /u=r

Find all Executable files.

find / -perm /a=x

Find and remove specific file

find . -type f -name "movie-list.txt" -exec rm -f {} \;

Find and remove a group of files

find . -type f -name "*.avi" -exec rm -f {} \;

Find all files based on user

find /home -user joe

Find all files based on group

find /home -group work

Find last 30 days modified files

find / -mtime 30

Find last 50 days accessed files

find / -atime 50

Find changed files in last hour

find / -cmin -60

Find modified files in last hour

find / -mmin -60

Find all the files which are accessed in last 1 hour.

find / -amin -60

Find all 100MB files

find / -size 100M

Find files bigger then 100M

find / -size +100M

Find files smaller then 100M

find / -size -100M

Find all .avi files with more than 500MB and delete them.

find / -type f -name *.avi -size +500M -exec rm {} \;