The Find command application under Linux

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The find command under Linux searches the directory structure for files and performs the specified actions.

1. Command format

Find Pathname-options [-print-exec-ok ...] .

2. Command function

Locate the file in the file tree and make the appropriate processing (possibly accessing the disk).

3. Command parameters

The target path that the Pathname:find command looks for.

. Represents the current directory;/ represents the system root directory.

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-print: Thefind command outputs the matching file to standard output.

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-exec: Executes the Shell command given by the parameter to the matching file.

-OK: It works the same as -exec , except that the execution mode is more secure, and the user is determined whether or not to execute it before each command.

4. Command options

-name finds files by file name.

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-perm Search for files according to file permissions.

-prune the Find command is not found under the currently specified directory, and if you use the -depth option at the same time, -prune will be ignored by the find directive.

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-user Search for files according to the file's main nature.

-group finds files according to the group the file belongs to.

-nogroup Lookup does not have a valid owning group file, that is, the group that the file belongs to does not exist in /etc/groups .

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-nouser Lookup does not have a valid owning primary file, that is, the file belongs to a group that does not exist in /etc/passwd .

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-mtime-n +n to find files according to the time the file was changed.

- n indicates that the file change time is less than n days;

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+n indicates that the file change time is now n days ago.

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The find command also has -atime and -ctime, both of which are identical to -mtime .

-newer file1! File2 find time than file file1 new but older file file2 than file.

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-type find a file of a certain type.

B-Block device files

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C-Character device files

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D-Catalog

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P-Piping File

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L-Symbolic Link file

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F- normal file

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-size N: [C] finds files with a file length of N, with C indicating the length of the file is calculated in bytes.

-depth find a file, find it in the current directory, and then look under its subdirectories.

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-fstype Find files located in a type of file system. The file system type is typically in the provisioning file

/etc/fstab , this configuration file contains information about the file system in the system.

-mount does not cross file system mount points when locating files.

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-cpio Use the cpio command on the matching files to back up these files to the tape device.

-follow if the find command encounters a symbolic link file, it tracks to the file that the link points to.

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The Find command application under Linux