How to use the file command under Linux

Tag: The file command uses

1    . Windows distinguish different files with different extensions, for example: . exe. PNG wait

2. There are no explicit requirements for extensions under Linux Sometimes you will encounter a variety of pits, when we do not know is a compressed file, with some commands to view the time, there will be various garbled

[email protected] ~]# cat text |head Y Noble 8о+ub.°@¤q:%durr) xs weak ±o§ 萞L 泏d2§ Infiltration 2c

3. use file to view files type

[[Email protected] ~]# file text

Text: gzip compressed Data, from Unix, last modified:wed 23 23:10:14 2017

[Email protected] ~]#

4. It can be seen that this is a compressed file, can be used,tar-tf View

[Email protected] ~]# Tar-tftext

Etc/services

[Email protected] ~]#

5. for a file with no extension, you can view the file type

[Email protected] ~]# file/bin/ls/etc/hosts ser.tar.gz

/bin/ls:elf 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked (uses shared libs), for gnu/li Nux 2.6.18, stripped

/etc/hosts: asciitext

ser.tar.gz: gzipcompressed data, from Unix, last modified:wed 23 23:10:14 2017

[Email protected] ~]#

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How to use the file command under Linux