Linux file Lookup command find usage collation (locate/find)

Linux file Lookup mainly includes: Locate and find

1, locate

Simple to use, based on database lookup, not real-time, usage:

Locate FILENAME

Manually updating the database (time may be longer)

UpdateDB

2. Find

Real-time, accurate, powerful, usage:

Find  Path  Lookup Standard  post-discovery action

(1) Path:. Or./both represent the current directory

(2) Search criteria:

' FILENAME '    Exact file name matching (wildcard *?) is supported. []) ' FILENAME '    file name fuzzy match (not case)-regex PATTERN      Regular match

-user USERNAME    based on owner lookup -Group group      Search by genus -uid uid-gid gid-nouser           No master File

-type    lookup based on file type -type F  file -typed  directory -type C  character device -  Type B-  block device -type L  link -type P  pipe -type s  socket

-size         lookup based on file size -size10k-size25M-size 3G-size +10k    Files larger than 10k -size-5m     files less than 5M

combination options:-a     and-o     OR-not not   

Find-mtime time    (default unit: Days)based on Times-ctime    -atime     -ctime +5      change time 5 days or more -access-3     access time within 3 days -mmin    (Default unit: minutes)-cmin-amin

find based on permissions 755     Precise permissions -perm/644     Three-bit has a match to be -perm- the    down contains (contains 600/ ..../)

Example 1: find generic files in/tmp directory without owner

Find /tmp-nouser-a-type D

Example 2: Find other files under/etc that are neither normal nor directory

find /etc-not \ (-type d-o-type f \)

(3) Post-search action

-Print    default action -LS        list -ok COMMAND \;    Need to confirm execution command-exec command \;  No need to confirm execution command

Example 3: Find all the files with permission 600 in the current directory and see their size ({} indicates the file found, \; indicates the Terminator)

Find  - du {} \;

Example 4: Find a file with a permission of 400 in the current directory and add the prefix name to the. New

Find  - mv {} {}.new \;

Linux file Lookup command find usage collation (locate/find)