File Lookup:Locate:non-real-time, fuzzy matching, lookup is based on the system-wide file database;# UpdateDB, manually generate the file databaseFast Speed Find:Real TimePrecisesupport for many search criteriatraverse all files in the specified directory to complete the lookup, slow; Find Find Path lookup criteria lookup to future processing operationsFind path: Default to current directoryLookup criteria: Default to all files under the specified pathprocessing operation: default is Display Matching Criteria:-name ' FILENAME ': exact matching of file masterpiecesfile name wildcard:*: Any character of any length ? []-iname ' filename ': file name matching is case insensitive-regex PATTERN: file name matching based on regular expressions -user USERNAME: Based on owner lookup-group GROUPNAME: Search by genus Group -uid UID: Search by UID-gid GID: Search by GID -nouser: Finding files that are not owned by the master-nogroup: Finding files that are not owned by a group -typef: Normal fileDCbLPs -size [+|-]#k#M#G/ tmp directory, not a directory, and a file that is not a socket type/tmp/test Directory, the owner is not user1, nor user2 files; -mtime Modification Time-ctime-atime Access Time [+|-]#-mmin-cmin-amin [+|-]#Explanation-atime 5 means that the-atime +5, which is just five days away from the moment, means that the-atime-5, which is more than five days away, represents a visit within five days from now. -perm MODE: Exact Match/mode: Any one match that satisfies the condition-mode: File permissions can fully contain this MODE only when the condition is met -644644:rw-r--r--755:rwxr-xr-x750:rwxr-x---find./-perl-001Operation:-print: Display-ls: Displays the details of each file in a form similar to Ls-l-ok COMMAND {} \; User confirmation is required for each operation-exec COMMAND {} \;Example of operation: {} indicates the match to the content [[email protected] scripts]# find. -amin-30-exec chmod u-w {} \; [[email protected] scripts]# lltotal 20-rwxr-xr-x 1 root root 280 jan 7 11:55 1.sh-r--r--r--1 root root 0 jan 8 08:03 a-rwxr-xr-x 1 root root 168 jan 7 11:13 jiou_sum.sh-rwxr-xr-x 1 root root 261 jan 8 03:30 sum.sh-rwxr-xr-x 1 root root 222 jan 7 17:42 user01.sh-rwxr-xr-x 1 root root 489 jan 7 18:24 User.sh[[em Ail protected] scripts]# find. -amin-30-ok chmod u+w {} \;< chmod .... >? y< chmod .... A >? Y[[email protected] scripts]# lltotal 20-rwxr-xr-x 1 root root 280 jan 7 11:55 1.sh-rw-r--r--1 root root 0 jan 8 08:03 a-rwxr-xr-x 1 root root 168 jan 7 11:13 jiou_sum.sh-rwxr-xr-x 1 root root 261 jan 8 03:30 sum.sh-rwxr-xr-x 1 root root 222 jan 7 17:42 user01.sh-rwxr-xr-x 1 root root 489 jan 7 18:24 user.sh Change file Name: [[email protected] scripts]# find -perm 644./a[[emaIl protected] scripts]# find -perm 644-exec mv {} {}.new \; [[email protected] scripts]# lltotal 20-rwxr-xr-x 1 root root 280 jan 7 11:55 1.sh-rw-r--r--1 root root 0 jan 8 08:03 a.new-rwxr-xr-x 1 root root 168 jan 7 11:13 jiou_sum.sh-rwxr-xr-x 1 root root 261 Jan  ; 8 03:30 sum.sh-rwxr-xr-x 1 root root 222 jan 7 17:42 user01.sh-rwxr-xr-x 1 root root 489 jan 7 18:24 USER.SH&N BSP; another example: Find and append files larger than 1M to/tmp/etc.largesfile [[email protected] scripts]# find/etc/-size +1m/etc/pki/tls /certs/ca-bundle.trust.crt/etc/selinux/targeted/policy/policy.24/etc/selinux/targeted/modules/active/ Policy.kern[[email protected] scripts]# find/etc/-size +1m |xargs >>/tmp/etc.largesfile[[email Protected] scripts]# cat/tmp/etc.largesfile/etc/pki/tls/certs/ca-bundle.trust.crt/etc/selinux/targeted/policy/ Policy.24/etc/selinux/targeted/modules/active/policy.kern[[email protected] scripts]# find/etc/-size +1M- Exececho {} >>/tmp/etc.largesfile \; [[email protected] scripts]# cat/tmp/etc.larges file/etc/pki/tls/certs/ca-bundle.trust.crt/etc/selinux/targeted/policy/policy.24/etc/selinux/targeted/modules/ active/policy.kern/etc/pki/tls/certs/ca-bundle.trust.crt/etc/selinux/targeted/policy/policy.24/etc/selinux/ targeted/modules/active/policy.kern##############################################################[[email Protected] scripts]# stat a File: ' A ' size:0 blocks:0& nbsp IO block:4096 regular empty filedevice:fd00h/64768d INODE:131939&N Bsp links:1access: (0644/-rw-r--r--) Uid: ( 0/ root) gid: ( & nbsp 0/ root) access:2017-01-08 08:03:12.990058301 +0800modify:2017-01-08 08:03:07.122074618 +0800Change: 2017-01-0808:03:12.990058301 +0800 [[email protected] scripts]# find-amin-5-ls143757 4 drwxr-xr-x 2 root root 4096 jan 8 08:03 .131939 0-rw-r- -r-- 1 root root 0 jan 8 08:03/a[[email&nb Sp;protected] scripts]# find-atime-5-ls143757 4 drwxr-xr-x 2 root &NBSP;ROOT&NBSP ; 4096 jan 8 08:03 .131939 0-rw-r--r-- 1 root root 0 jan 8 08:03 ./a140442 4-rwxr-xr-x 1 ROOT&N Bsp root 168 jan 7 11:13 ./jiou_sum.sh140514 4-RWXR-XR-X&NB Sp 1 root root 222 jan 7 17:42 ./user01.sh140515   ; 4-rwxr-xr-x  1 root root 261 jan 8 03:30 ./sum.sh140448 4 -rwxr-xr-x 1 root root 280 jan 7 11:55/1.sh14051 3 4-rwxr-xr-x 1 root root 489 jan 7 1 8:24./user.sh
Linux file Lookup (find,locate)
