What is the use of the lib64 folder in centos?

In centos, the lib64 folder is used to store the 64-bit system standard programming library; the lib folder in the system is used to store the actual standard program library, also called a dynamic link shared library, which is similar to the one in windows. ".dll" files.

The operating environment of this article: centos 7 system, Dell G3 computer.

What is the use of the lib64 folder in centos

lib64 folder: the storage path of the 64-bit system standard programming library.

lib folder: standard programming library storage path, also called dynamic link shared library, similar to .dll files in windows

Directory structure:

Expansion supplement:

• bin folder: This directory is used to store the files required by the basic system Order. The files in this directory are all executable and can be used by ordinary users.

• boot folder: Contains files required by the Linux kernel and system boot program, such as vmlinuz initrd.img files are located in this directory. Under normal circumstances, the GRUB or LILO system boot manager is also located in this directory;
  

• dev folder: device files, such as sound cards, disks, mice, keyboards, etc.
  

• etc folder: system management and configuration files
  

• home folder: user home directory
  

• lib folder: standard programming library storage path, also called dynamic link shared library, similar to .dll files in windows
  

• lib64 folder: 64-bit system standard programming library storage path.
  

• media folder: The mount point of the plug-and-play storage device is automatically created in this directory. For example, after the USB disk system is automatically mounted, it will be in this directory. A directory is generated under
  

• mnt folder: used to temporarily mount other file systems. It is generally used to store the mounting directory for mounting storage devices, such as cdrom and other directories.
  

• #opt folder: This is where optional programs are mainly stored. Do you want to try the latest firefox beta version? Then install it to the /opt directory. In this way, when you finish trying and want to delete firefox, you can delete it directly without affecting any other system settings. For programs installed in the /opt directory, all its data, library files, etc. are placed in the same directory.
  

• #proc folder: virtual file directory, you can directly access this directory to obtain system information.
  

• root folder: the system administrator’s home directory
  

• run folder: saved before the next system boot Valid information file about the system.
  

• #sbin folder: Super management command, where management programs used by system administrators are stored.
  

• srv folder: srv can be regarded as the abbreviation of "service". It is the data directory that these services need to access after some network services are started. Common services such as WWW, FTP, etc. For example, the web page data required by the WWW server can be placed in /srv/www/.

• sys folder: This directory is actually very similar to /proc. It is also a virtual file system and mainly records core-related information. Including currently loaded core modules and hardware device information detected by the core, etc. This directory also does not occupy the hard disk capacity!

• tmp folder: temporary file directory. Sometimes temporary files will be generated when users run programs. /tmp is used to store temporary files.

• usr folder: The largest directory. Almost all the applications and files to be used are in this directory.

• var folder: All service login files or error message files (log files) are in /var/log. The contents of this directory change frequently. You can tell by looking at the name. , we can understand it as the abbreviation of vary. There is /var/log under /var. This is the directory used to store system logs.

Recommended tutorial: "centos tutorial"

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