Linux File Search command

1, which

function: Show command of System command

Syntax: which command name

Example: Which LS

2. Find

Function: Find files or directories

Syntax: Find [Search path] [search keywords]

Example:

Find/etc -name init find file named init, exact match

Find/etc-name init*

Find/etc-name Init???

* matches any character, containing 0 or more characters

？ Match a single character

Find/etc-size +204800 find file size greater than 100mb,204800 is the number of data blocks, 1 data block size is 512B

find/etc-size-204800 find file size less than 100mb,204800 is the number of data blocks, 1 data block size of 512B

Find/etc-user user name find files in directory under File owner as "user name"

CTime, Atime, Mtime time per day

Cmin, Amin, mmin time in minutes

C: Changed the properties of the file has been modified, owner, owning group, permission

A: Access file has been accessed

M: The contents of the modified file have been modified

FIND/ETC-CTIME-1 documents changed within 1 days

Find/etc-ctime +1 files changed in more than 1 days

find/etc-mmin-120 files that have been modified within 120 minutes

(1) Connector:-a logic with;-o logic or, multiple find criteria

Find/etc-size 204800-a-size-409600

-type File types

F Binary Files

L Soft Link File

Catalog D

(2) connector-exec

Find ...-exec command {} \; Fixed format, cannot be changed

{} Represents the result of a find query;

\ is an escape character;

; Represents a terminator.

Example: Find. -name init-exec ls-l {} \;

Instead of-exec, switch to-OK and ask if the command is executed.

Inode for-num files

Find. -num 16 Looking for a file with Inode 16 in the current directory

3, locate

Function: Find files or directories

Syntax: Locate keyword

4, UpdateDB

Function: Establish the whole system file directory database

5. grep

Function: Find the line of keyword matching within the file and output

Syntax: grep keyword path

6, man

Features: Get help information

Syntax: Man command name

7 、--Help

Features: View information about the parameters of a command

Syntax: Command--help

Linux File Search command