free – POFTUT

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mmap Tutorial with Examples In C and C++ Programming Languages

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? mmap() function or system call will create a mapping in the virtual meory of the current process.The address space consist of multiple pages and each page can be mapped some resource. We can create this mapping...

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How To Check Memory Usage Of Linux?

Linux operating system is popular with its efficient memory usage. Also Linux operating systems provide a lot of details about their memory usage. In this tutorial we will look into details of the memory usage information. There are different ways to get memory usage information. Alternatively we can call this RAM usage. Because in the static most of the information is  about RAM Get Information With free free is very easy and...

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How To Get Ram Size In Linux?

What are the ways to get ram size in Linux operating system? Here is some methods to find ram size in Linux operating systems like Ubuntu, Debian, Fedora, CentOS, Red Hat. Getting Ram Size With meminfo Proc file system provides coonfiguration information about the current opoerating system. We can get information from direcly kernel provided /proc/meminfo . We can see a lot of information parameter with meminfo

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