POSIX real-time signals in Linux

POSIX real-time signals are defined apart from the existing standard signals. The real-time signals are in the range SIGRTMIN to SIGRTMAX.

June 23, 2020

How to create a temporary file in Linux

Temporary files are often required for storing interim data. How to create a temporary file in a C program is explained with example code.

June 4, 2020

Unix domain sockets provide a fast and simple mechanism for interprocess communication on a Unix-like host system using the socket interface.

May 25, 2020

Buffered I/O and synchronized I/O and the input output system calls, open, creat, read, write, lseek, close and unlink are explained.

May 16, 2020

Files are used to store information on persistent secondary storage. FIles and processes are basic concepts in Unix-like systems.

May 1, 2020

A step by step tutorial on how to connect a 7" touchscreen display to Raspberry Pi 4B single board computer.

November 14, 2019

The uname command is used to print information about the host system. uname is derived from "unix" and "name".

November 2, 2019

Raspberry Pi is a single board computer developed by the Raspberry Pi Foundation in the U.K. Raspberry Pi 4B was released in June 2019.

September 10, 2019

Solution to the problem of how to get the main window of Gimp graphics editor on top of the toolbox and layers windows.

July 30, 2019

After a fresh installation, the icons and font might appear to be small. The solution of how to improve the display appearance is provided.

July 30, 2019