find

find is a command-line utility that searches for files in one or more directory trees of a file system. Available in Linux, included in findutils packages, and in Windows.

find --help

Options

• -xdev or -mount Don't descend/traverse directories on other filesystems.

Linux Example commands

• Search files between a size range:
  • find . -size +10G
  • find . -size +100k -a -size -500k
• Search empty files: find . -size 0k
• Search non-empty files: find . ! -size 0k
• One line listing with sizes using ls and find: ls -ldh $(find /path/to/search/)
• One line filename and directory listing with full path: find . -name "*"
• One line filename and NOT directory . listing with full path: find . -type f -exec ls \{\} \;
• List files but not directories: find . -type f

• Search for hard links: find /path/to/search -samefile /path/to/your/file (See also: stat)
• Order by size:
  • find . -type f -ls | sort -rnk7 | more or ls -lR | grep '^-' | sort -rnk5
    • find / -type f -not -path "/proc*" -ls | sort -rnk7 | more
  • find . -ls 2>&1 | sort -rnk7 | more

• Compress files with xz using all CPUs :
  • find . -type f -not -name \*.xz -exec xz -T0 --verbose \{\} \;

• Delete files older than 5 days
  • find /path/to/directory/ -mindepth 1 -mtime +5 -print
  • find /path/to/directory/ -mindepth 1 -mtime +5 -delete [1]

/usr/lib/php/sessionclean (shell script)

• find "/proc/$pid/fd" -ignore_readdir_race -lname "$save_path/sess_*" -exec touch -c {} \

Activities

• Identify differences between find and ls
• Read https://stackoverflow.com/questions/tagged/find?tab=Votes

Related terms

• df
• du: du -sh -- *
• docker volume ls and docker system df
• mtime
• MongoDB: db.YOUR_COLLETION_NAME.find ()
• ls
• multipass find
• -maxdepth

See also

• File systems: ext4, XFS, ZFS, btrfs, wipefs, findfs, HDFS, overlay, aufs, virt-filesystems, Windows: (FAT, NTFS, ReFS), GPFS, squashfs, Ecryptfs, Encfs, FUSE, VMFS, Comparison of distributed file systems, Userspace filesystem, Resize filesystem size
• File system, du, df, find, ls, mkdir, touch, locate
• find_(Windows)
• File systems: mount, umount, findmnt, find, swapon, swapoff, UUID, blkid, mount options: /etc/fstab, udisksctl mount, guestmount, /proc/mounts, fstrim, systemd-mount, defaults
• du, du -hs, Disk space usage, df, ls, tree, find, docker system df, journalctl --disk-usage, No space left on device, ENOSPC, sar -F, growpart, resize2fs, ncdu, duf, dua-cli

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Source: https://en.wikiversity.org/wiki/Linux/Basic_commands/find