Find Command Usage Summary

Procedure for locating a qualifying file on a file system

File Lookup: Locate, find

Locate: A non-real-time lookup tool that relies on a pre-built index, and that the index is built automatically when the system is idle ( recurring task ) ; Manually update this database (updatedb) ; Find Fast; fuzzy search;

Find : Real-time search; search speed slightly slow; exact search;

Find command:

find [OPTION] ... [ Find path ] [ find condition ] [ processing Action ]

Find path: Default to the current path;

Search criteria: The specified search criteria, can be based on the file name, size, genus of the main group, type, etc., by default to find all the files under the specified path;

Handling actions: What to do with the eligible files; By default, output to the screen;

Find criteria

To find by file name:

-name " file name ": support for using Glob ;

*, ?, []

-iname " file name " : Character case insensitive, support for using Glob ;

-regex "PATTERN" : To PATTERN matches the entire file path string, not just the file name;

According to the genus, the genus Group looks for:

-user USERNAME: find files that belong to the specified user;

-group GROUPNAME:

-uid UserID: find the owner designation of a file UID of documents;

-gid GroupID:

-nouser: find files that are not owned by the master;

-nogroup : Find files that are not part of a group;

To find by file type:

-type type

F: Normal file

D: Catalogue

L: Symbolic Links

B: Block Devices

C: character Device

P: Named Pipes

S: Sockets

Combination Lookup criteria:

and Conditions: -A

or Condition: - o

Non-conditional: -not,!

! A-o! B =! (A-a B)

! A-a! B =! (A-o B)

Find command Usage summary