Linux CentOS 7 Find command, three time, accelerator, and file type

A. Find command

Locate find a command to find a file from a locally generated database

If you do not have the locate command, install the package: Mlocate

[Email Protected]_46_188_centos ~]# which locate/usr/bin/locate[[email protected]_46_188_centos ~]# rpm-qf/usr/bin/ Locatemlocate-0.26-5.el7.x86_64[[email Protected]_46_188_centos ~]#

Shortcut keys:

• CTRL + D phase is of course logout logoff

• CTRL + L Clear Screen

• CTRL + C abort

• CTRL + U Delete the contents before the cursor

• Ctrl + K Delete the cursor after the content

• CTRL + E to position the cursor to the end

• CTRL + A to position the cursor to the very beginning

Three time:

stat 2.txt view 2.txt Files of three time

atime: Recent access to content Cat view

ctime recently changed the Inode information touch

changed the contents of the file, Mtime CTime will change. Changes the file CTime, Mtime does not change.

[[email protected]_46_188_centos ~]# stat 2.txt  file:  ' 2.txt '    size: 0         blocks: 0           io block: 4096   regular empty filedevice:  fd01h/64769dInode: 131211      Links: 1Access:  (0664/- rw-rw-r--)   Uid:  (    0/    root)    gid:   (    0/    root) access: 2017-07-12 23:21:57.265143288  +0800Modify: 2017-07-12 23:21:57.265143288 +0800Change: 2017-07-12  23:21:57.265143288 +0800 birth: -[[email protected]_46_188_centos ~]#

MV is renamed:

[[email protected]_46_188_centos ~]# stat 2.txt  file:  ' 2.txt '    size: 7         blocks: 8           io block: 4096   regular filedevice: fd01h/ 64769dinode: 131211      links: 1access:  (0664/-rw-rw-r--)    Uid:  (    0/    root)    Gid:  (     0/    root) access: 2017-08-10 21:44:43.123521346 + 0800modify: 2017-08-10 21:46:39.547587309 +0800change: 2017-08-10 21:46:39.649587367  +0800 birth: -[[email protected]_46_188_centos ~]# mv 2.txt 22.txt[[ email protected]_46_188_centos ~]# stat 22.txt   file:  ' 22.txt '    size: 7         blocks: 8           IO Block: 4096   regular fileDevice: fd01h/64769dInode:  131211      links: 1access:  (0664/-rw-rw-r--)   Uid:  (     0/    root)    Gid:  (    0/     root) access: 2017-08-10 21:44:43.123521346 +0800modify: 2017-08-10  21:46:39.547587309 +0800change: 2017-08-10 21:50:32.438719259 +0800

Find command:

2. find/etc/-type d-name "FXQ" Find a Directory

4. find/etc/-type f-name "Fxq" to find files

6. find/etc/-type c-name "FXQ" Find character device files

8. find/etc/-type b-name "fxq" Find block file

10. find/etc/-type s-name "FXQ" Find socket file

12. find/etc/-type l-name "fxq" Find linked files

14. Find/-type f-mtime-1 finds files that have changed content in a day

16. Find/-type F-mtime +1 finds files that have changed content more than one day

18. find/etc/-type f-o mtime-1-name "*.conf" (-O is or meaning)

20. Find/-inum inode number lookup hard link file

22. Find/-mmin-60 within one hour

24. Find/-type f-mmin-120-exec ls-l {}; List all files that are less than 2 hours in size.

26. Find/-type f-mmin-1-exec mv {} {}.bak; Find out minutes file rename after Add. bak

28. Find/-size +10k-type f-exec ls-l {}; List larger than 10k files

30. Find/-size +10m-type f-exec ls-l {}; List files larger than 10M

32. Find/etc-type F-mtime +1-mtime-30 Find files that have changed content more than 30 days in a day.

-O or For example:

[Email Protected]_46_188_centos ~]# Find/-name "my.cnf"-o-name "httpd.conf"/etc/my.cnf/backup/hszd_zabbix/bak/ httpd.conf

Second, file name suffix

• Case sensitive

• The suffix name is good for. txt. gz. log. conf

• lang=en default is ZH_CN. UTF-8 Chinese, to display Chinese, the system must be installed in Chinese language support.

File to view the types of files:

Catalogue:[[email protected]_46_188_centos ~]# file /bin//bin/: directory[[email  Protected]_46_188_centos ~] #二进制文件: [[email protected]_46_188_centos ~]# file /bin/cp/ bin/cp: elf 64-bit lsb executable, x86-64, version 1  (SYSV),  dynamically linked  (uses shared libs),  for gnu/linux 2.6.32, buildid[ sha1]=9c78c9014112530b46143fe598a278c5ad792edb, stripped[[email protected]_46_188_centos ~]# Character Device [[email protected]_46_188_centos ~]# file /dev/pts/0/dev/pts/0: character  Special[[email protected]_46_188_centos ~] #链接文件: [[email protected] ~]$ ll /usr/ sbin/iptableslrwxrwxrwx. 1 root root 13 oct 20  2016 /usr/sbin/ iptables -> xtables-multi[[email protected] ~]$ file /usr/sbin/iptables/usr/ Sbin/iptables: symbolic link to  ' Xtables-multi ' [[email protected] ~]$  block file: [[email protected] ~]$  file /dev/xvda/dev/xvda: block special[[email protected] ~]$ Socket File:/dev/log[[ Email protected]_46_188_centos ~]# file /data/mysql/mysql.sock/data/mysql/mysql.sock:  socket[[email protected]_46_188_centos ~]#[[email protected]_46_188_centos ~]#  file /dev/log/dev/log: socket[[email protected]_46_188_centos ~]#

This article is from the "Feng Xiaoqing blog" blog, make sure to keep this source http://fengyunshan911.blog.51cto.com/995251/1956130

Linux CentOS 7 Find command, three time, accelerator, and file type