Linux

mmap, brk and sbrk memory management calls in UNIX

brk and sbrk are basic memory management system calls used in Unix and Unix-like operating systems. mmap maps files into memory. We have explored mmap, brk and sbrk in depth.

Software Engineering

Main points on BASH (Bourne-Again SHell)

In this article, we have covered all major points on BASH Shell which will give you complete knowledge to develop any script to automate tasks.

Software Engineering

script and scriptreplay in linux

script and scriptreplay are pre-installed commands in Linux. They are more like the utilities which allow the user to record their terminal session and to refer to it anytime he/she needs it.

Software Engineering

pv command in Linux

pv is a terminal-based (command-line based) tool in Linux that allows us for the monitoring of data being sent through pipe. The full form of pv command is Pipe Viewer.

Software Engineering

Check memory usage in Linux

Five tools to check memory usage on Linux are free, /proc/meminfo, vmstat, top and dmidecode. The difference between clock speed and memory access is increasing day by day. To keep our machines healthy, we want to check the memory usage of several processes and in Linux, we have five tools to do so.