Linux, Windows, Security, Programming, Network Tutorials
Multithreading is a popular term used in computing, operating systems, and application development areas. Multithreading is simply used to accelerate the execution of the process dividing into multiple sub-processes. What Is Process? The process is the main unit used to execute the given task in the operating system. The process has some system resources like … Read more
An operating system is a software that is used to operate, use computer or server hardware, and provide these sources to the user applications. Operating systems is an intermediate software which is very important for computers and servers because it provides a lot of different services to the user side applications. Operating System History Operating … Read more
WMIC or Windows Management Interface Command is a simple command line tool used to issue WMI commands. WMI command generally used to query all of the system related information like Computer Name, BIOS Serial Number, Mac Address etc. Batch WMIC WMIC provides two type of usage. Batch usage is the most popular where we can … Read more
Unix and Linux like operating systems processes uses SIGNALS in order to communicate each other. For example If we can to kill a process we need to send a signal to process we want to kill. This signal will be SIGTERM and send by kill or similar commands. In this tutorial we will examine the SIGTERM … Read more
ps command is used to get detailed information about the process running on Linux, Unix, and BSD systems. There are some popular options and use cases for ps where one of them is aux options. We will look at this use case in this tutorial. For more detailed ps tutorial look following. Linux ps Command Tutorial List Processes with … Read more
Linux provides simple and useful tools and commands. wait is one of them. We can use wait command to wait for specified process id and than continue execution of the bash script or interactive shell. Wait For Specified Process ID While scripting in bash we may need to wait for some process to continue. So … Read more
top is very popular and well known system monitoring tool provided by default by most of the Linux distributions. htop is more eye candy and more professional system monitor tool which is provided by most of the Linux distributions. In this tutorial we will look how to install and use htop command to monitor cpu, … Read more
Python provides a lot of functionalities with different modules and libraries. When we need to open a new process inside a Python application we can use subprocess library and related functions. Import subprocess Module In order to use related functions and libraries, we should import the subprocess library. Start Sub-Process with call() Function The simples use case … Read more
Lsof is linux command used for output files and processes related information. lsof support different type of file formats like regular file, directory, block special file etc. lsof provides given command output parsable format where other tools like cut can be used to filter output. In this tutorial we will look different use cases of lsof command. In order … Read more
Linux kernel provides some configuration about system-related limits and maximums. These are like maximum file handler count, maximum file locks, maximum process count, etc. These limits are used to stay in a safe area and do not bottleneck system performance. But sometimes these limits should be decreased or increased. ulimit is used to change these limits … Read more