Linux file command
Translation results：
file
UK[faɪl] US[faɪl]
vt. To file (divorce proceedings or other lawsuits); to file...; to file; to file; Release, send to the newspaper
vi. Send (report to the newspaper); walk in a line; make an application
n. File; file (folder); column; file
Third person singular: files Plural: files Present participle: filing Past tense: filed Past participle: filed
Linux file commandsyntax
Function: The file command is used to identify file types. Through the file command, we can identify the type of the file.
Syntax: file [-bcLvz][-f <name file>][-m <magic number file>...][file or directory... ]
Linux file commandexample
Display file type:
[root@localhost ~]# file install.log install.log: UTF-8 Unicode text[root@localhost ~]# file -b install.log <== 不显示文件名称UTF-8 Unicode text[root@localhost ~]# file -i install.log <== 显示MIME类别。install.log: text/plain; charset=utf-8[root@localhost ~]# file -b -i install.log text/plain; charset=utf-8
Display symbolic link file type
[root@localhost ~]# ls -l /var/mail lrwxrwxrwx 1 root root 10 08-13 00:11 /var/mail -> spool/mail[root@localhost ~]# file /var/mail/var/mail: symbolic link to `spool/mail' [root@localhost ~]# file -L /var/mail /var/mail: directory [root@localhost ~]# file /var/spool/mail /var/spool/mail: directory [root@localhost ~]# file -L /var/spool/mail /var/spool/mail: directory