Shared libraries are used to provide functions to the commands and executable of the Linux. ldd command can be used to list currently used shared libraries of given executable file. Help Even ldd command is...
As programmers we generally use malloc() , free() and similar functions in order to allocate memory. They are provided by glibc() library. The actual work is done by mmap() and munmap()which is a Linux systemcall. What Does mmap() Function?...
gcc is very popular compiler in Linux world. gcc provides interpreter and compiler for programming languages like C, C++, Java etc. In this tutorial we will examine popular compiler options like error, pre-processor, output, optimization etc. Example...
Linux is a Operating System kernel and user space applications will create different distributions like CentOS, Ubuntu, Mint, Kali around this kernel. Kernel can be downloaded freely and used without any license fee. In this...
gdb is the short form of GNU Debugger. Debugger is a tool used to search and find and get detailed information about bugs in applications binaries. gdb is popular in Linux community which is used by most...
Binaries are created by building or compiling source like C, C++ etc. In simple applications we can build by using the compiler like gcc directly. But this is inconvenient if the application is big and...
As a systems administrator I generally use package managers to install software. But in some situations I can not use package manager because provided software version is old or do not compatible. In this situations...
C is a popular programming language for new programmers. There are some rituals while starting to learn some programming language which is called Hello World Example or Hello World or Hello Worl in C. In...
Cygwin is free software to provide Linux and Unix environment, tools and libraries in Windows operating systems. Cygwin is also called an emulator because it translates Linux system calls into Windows type systems calls. Cygwin...
Linux applications, tools, services uses libraries to get necessary functionalities. Libraries provides a lot of functionality to the related applications, tools and services. One library can be used by different applications. This is called dynamic...
