Linux provides a lot of opensource and free libraries to use operating system features easily. GNU is an opensource community which creates a lot of open source and free libraries.
glibc is the short form of the GNU C Library.
C Standard Library
C programming language provides some standard libraries. The main standard library is named as
C Standard Library which provides a lot of functions those defined in C Programming language standards. It provides functions about Basic Types, String Handling, Input/Output, Signal Handling etc. The latest version of C Standard Library is C11 which is created as
GNU C Library
GNU C Library is open source implementation of the C Standard Library. It provides all standard features and also some extra frequently used features. It provides portability and high performance. Most Linux distributions use glibc as standard C library.
glibc provides following features, functions, and libraries.
- `Error Reporting`
- Virtual Memory Allocation and Paging
- String and Array Utilities
- Searching and Sorting
- File System
glibc which is named as pre-release is released in 1988. Then the following versions are released in the given dates.
- GLIBC 0.1 – 1991
- GLIBC 1.0 – 1992
- GLIBC 2.0 – 1997
- GLIBC 2.28 – 2018