> [# Linux Programmer's Manual
https://www.kernel.org/doc/man-pages
## [1: _User commands_](http://man7.org/linux/man-pages/dir_section_1.html)
## [2: _System calls_](http://man7.org/linux/man-pages/dir_section_2.html)
## [3: _Library functions_](http://man7.org/linux/man-pages/dir_section_3.html)
## [4: _Devices_](http://man7.org/linux/man-pages/dir_section_4.html)
## [5: _Files_](http://man7.org/linux/man-pages/dir_section_5.html)
## [7: _Overviews, conventions, and miscellaneous_](http://man7.org/linux/man-pages/dir_section_7.html)
* [fifo(7) - Linux manual page](/nFBP8AgkT1aTEC9IKyDZLg)
* [pipe(7) - Linux manual page](/jTfZ-u__RMK3o004UZI7cQ)
* [aio(7) - Linux manual page](/7xgtKA0GRoyRBr_eApWZsg)
* [symlink(7) - Linux manual page](/Em3JxExUSgKT1Xshbndfpw)
## [8: _Superuser and system administration commands_](http://man7.org/linux/man-pages/dir_section_8.html)****1
man 2 read
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