find #

Search by name #

find . -name "s.txt"

case-insensitive #

find . -iname "s.txt"

use the *.png wildcard template #

find /home -name "*.png"

hide errors in the denial of permission #

find /home -name "*.jpg" 2>/dev/null

Search by file type #

• f - simple files
• d - directories
• l - symbolic links
• b - block devices (dev)
• c - symbolic devices (dev)
• p - named channels
• s - sockets

directories only #

find . -type d

Search by file size #

• + - Search for files larger than the specified size
• - - Search for files smaller than the specified size
• Absence of the sign means that the size of files in the search should be completely the same

find . -size +1G

• c - Byte
• k - Kbyte
• M - Mbyte
• G - Gbyte

Search for empty files and directories #

find . -empty

Search by change time #

Search for all files modified in the last hour (less than 60 min) #

find . -cmin -60

Search by access time #

Find files that have not been accessed in the last six months (180 days) #

find . -atime +180

Search by user name #

find /home -user tisha 2>/dev/null

Search by permission set #

find /home -perm 777

Operators #

• -and
• -or
• -not

Find files larger than 1 Gbyte of user tisha #

find /home  -user tisha  -and  -size +1G  2>/dev/null

Find files larger than 1 GB not only of user tisha, but also of user pokeristo #

find /home \( -user pokeristo -or -user tisha \)  -and  -size +1G  2>/dev/null

Actions #

• -delete - Deletes files matching the search results
• -ls - Displays more detailed search results with:
  • File sizes
  • Number of inodes
• -print This is the default unless you specify another action. Shows the full path to the found files
• -exec Executes the specified command in each line of search results

Find and delete all empty files #

find . -empty -delete

-exec #

-exec command {} \;

• command is the command you wish to execute for the search results. For example:
  • rm
  • mv
  • cp
• {} is the search results.
• \; - The command ends with a semicolon after a backslash.

Find and delete all empty files #

find . -empty -exec rm {} \;

Copy all .jpg images to the backups/fotos directory #

find . -name "*.jpg" -exec cp {} /backups/fotos \;