Linux File Search tool find a little secret

File Lookup tool:

Files: According to the attributes of the file to find the corresponding file

Find command: Real-time search for files that match the specified attributes by traversing the specified target directory;

Exact match; speed is slightly slower;

Find [OPTIONS] [Find path] [find condition] [processing action]

Find path: Default to the current path;

Search criteria: Default to all files under the specified path;

Processing action: The default is to print to the screen;

Search criteria:

-name "file name": File name support using globbing

*, ?, [], [^]

# find/etc-name "passwd*"

-iname "File name"

-user USERNAME: Based on owner Lookup

-group USERNAME: Search by Genus Group

-uid UID: Search According to the specified UID;

-gid GID: Search According to the specified GID;

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

-nogroup: Find files without a group;

Combination Lookup criteria:

With:-A, find condition 1-a find condition 2-a ...

All conditions must be met at the same time

Or:-O, find condition 1-o find condition 2-o ...

Meet one of the conditions

Non:-not,!

-not Find Criteria

# find/tmp-nouser-a-name "*centos*"-ls

# find/tmp-not \ (-name "*.txt"-o-name "*.out" \)

# find/tmp-not-name "*.txt"-a-not-name "*.out"

Find Conditions (2)

-type Type: Search by file type

F: Normal file

D: Catalog file

L: Symbolic Link file

B: Block device

C: Character device file

P: Command name pipe file

S: Socket file

-size [+|-] #UNIT:

Common units are: K, M, G

#UNIT: #-1 < x <= #

2k:1.8k, 1.9k, 1.1k

-#UNIT: x <= #-1

-2k:1k, 0.9k

+ #UNIT: x > #

+2k:2.1k, 3.1k

Find by Time stamp:

In "Days" as the unit

-atime [+|-]#

#: #= < x < #+1

-#: X < #

+#: x >= #+1

-mtime [+|-]#

-ctime [+|-]#

In "Minutes" units

-amin [+|-]#

-mmin

-cmin

Search by permissions:

-perm [+|-]mode

Mode: Exact match with mode

+mode: The permissions of any class of users can include any one of the permissions assigned to it;

-mode: The permissions of each type of user include all permissions assigned to it;

-222,666,664

Handling actions:

-print: Default action, print to screen;

-ls: Displays the detailed properties of the found file;

-exec COMMAND {} \;

-ok COMMAND {} \;

Note: The Find command finds all eligible files at once and passes them along to the following commands, but some commands do not accept too long parameters; Workaround:

Find | Xargs COMMAND

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Linux File Search tool find a little secret