Basic usage overview of the find command, and usage overview of the find command

Basic usage overview of the find command, and usage overview of the find command
Compared with the non-real-time SEARCH command like locate, the find command greatly increases the convenience and accuracy of our search; in addition, it can easily help us find and delete large files and specific types of files, especially when there are more than a few small broken files, it is extremely convenient .... search by owner Group

-User username: Find the file whose owner is xx-group: Find the xx file of the group-uid useruid: Find the file whose owner is uid-gid groupid: search for files with the gid number-nouser: Find files without a master, that is, files exist but the user has been deleted-nogroup: Find files without a group

Search by file type

-Type f: common file-type d: directory file-type l: Symbolic Link file-type s: Socket file-type B: block device file-type c: character device file-type p: MPS queue File

Search by size

-Size + 10 M: Files larger than 10 M-size + 10 k: Files larger than 10 k-size + 1G: files larger than 1G-size-1G: files smaller than the file size

Search by Time

One day-atime: Access time-mtime: modification time-ctime: change time in minutes:-amin: Access time
-Mmin: modification time
-Cmin: Change Time

Search by permission

-Perm + mode:-perm + 600: Other permissions of the owner group must be matched. 600 indicates three objects, use/600-perm-600 on CentOS7: each object must have the specified permissions at the same time. The three objects are also valid, for example: -003 indicates that other users must have the write and execution permissions.

Combination condition search

-A: And-o: or-not: not! : Non

Processing action

-Print: print to the screen-ls: Perform ls-delete on the searched file: delete the searched file-OK command {}\; execute the command specified by command on the file to be searched. Interactive-exec command {}\; is the same as above. non-interactive {}: indicates the name of the file found in the previous find, for example, find. /-type f-exec cp {}{}. bak \; copies all the searched files. bak File

Action transmission mode after findingDefault: one-time transfer when a specified type of file is foundXargs: The xargs command enables the transfer mode of the find search to find one and pass it to the action. It is easy to delete many broken files,Example: find-type f | xargs command;Related examples:

Search for the symbols in the/home/test directory *. txt file find/home/test-name "*. txt "-print: The search permission is 755. find/home/test-perm 755-print. The search owner is test's find/home/test-user test-print. The search array is test. find/home/test-group test-print find/home/test-mtime-5-print if the change time is less than 5 days find/home/test if the change time is greater than 3 days -mtime + 3-print: find/home/test-type d-print all files except directories find/home/test! -Type d-print: find/home/test-type f-print the symbolic link file. find/home/test-type l-pint does not include/home/test/ test. shfind/home/test-name "test. sh "-prune/home/test-print delete test. sh file find/home/test-name "test. sh "-type f-exec rm {}\; the file" find/home/test-name "* test *"-type f-exec more {}\ "starting with" test "is displayed {}\;