PACKAGE.md 2.1 KB
Glibc
The Glibc package contains the main C library. This library provides the basic routines for allocating memory, searching directories, opening and closing files, reading and writing files, string handling, pattern matching, arithmetic, and so on.
Overview
Glibc (GNU C Library) is the core library that provides the system calls and basic functionality for the Linux operating system. It is an essential component that nearly all programs on a Linux system depend on to function properly.
Key Features
- Memory Management: Functions for allocating, freeing, and managing memory
- File Operations: Routines for opening, reading, writing, and closing files
- String Handling: Functions for manipulating strings and character data
- Mathematical Operations: Standard mathematical functions and calculations
- System Interface: Interface to kernel system calls and services
- Internationalization: Support for different locales and character sets
- Network Services: Functions for network communication and protocols
- Threading: POSIX threads implementation for concurrent programming
Components
The package includes:
- Core C Library (libc): The main library providing most C standard functions
- Mathematical Library (libm): Mathematical functions and operations
- Dynamic Loader: Runtime linker for shared libraries
- Name Service Switch (NSS): Framework for various database services
- Locale Support: Tools and data for internationalization
- Time Zone Data: Information for handling time zones globally
Importance
Glibc is a fundamental component of any Linux system. It serves as the interface between application programs and the Linux kernel, providing the standardized C library interface that applications expect. Without Glibc, most applications would not be able to run on a Linux system.
Compatibility
This version of Glibc is designed to work with Linux kernel 4.19 and newer. It includes support for modern system calls while maintaining compatibility with older kernels through appropriate workarounds.