In our daily work, there might be need to run some important program for hours or even days without being abruptly terminated. In such case, we may want to run the program with command nohup.nohup is the abbreviation of no hangup, i.e, don't hang up or terminate the process. This command will tell the process to ignore the system HUP signal. The HUP signal will be emitted when the terminal is exited or disconnected. Normally process will abort its execution when receiving this signal. Basic SyntaxThe basic syntax for nohup isnohup command argumentsornohup optionsIf you want to know more u...

In Linux systems, you may encounter a situation where there is no enough space on the system while you are trying to install some new packages or writing some data. In this case, you may want to clear some unneeded files. A frequent need will be find the largest files in the system so that they can be deleted first and disk space can be released quickly.In this post, we will show a simple command to find files by size so that we know what files are taking the specified space on the system,This command to be introduced is find. Let's say we want to find the files which are larger than 500M, we ...

In this post, we will show you a simple way to project a phone to a PC in Windows 10. Windows 10 provides a feature called Project to this PC which allows to project other devices on a PC installed with Windows 10.Below are the steps for doing this.1.Press Win + i key to open Windows Settings.2. In System menu, click Project to this PC option. Then select either Available everywhere on secure networks or Available everywhere.3. Now open your phone which you want to project. Ensure it connects to the same WiFi as your PC.4. On your phone, go to Settings and click More connections. You will f...

我的名字是 Lars Wirzenius，我曾经见证了Linux的起点。Linux现在是一个全球成功的操作系统，但它的开始却非常谦逊。这些是我对Linux最早的日子、它的创造以及它走向今天的记忆。我于1988年秋季开始在赫尔辛基大学攻读计算机科学，并认识了 Linus Torvalds，他也是当年计算机科学专业的新生之一，而且和我一样说瑞典语。在那个学年的末尾，我们得到了一台Unix服务器的访问权限，然后我无意中发现了Usenet，这个讨论系统，因为我误将rm打成了rn，即Usenet阅...

Why do you want to reset your Mac computer? Probably, you are thinking about selling it. Alternatively, maybe the computer has become too slow thus frustrating you most of the time. Additionally, you may simply be considering freeing up some space. Regardless of your reasons, the first thing you should realize is that resetting the machine is a demanding task. Additionally, it would be great to remember that in resetting the machine, you are basically formatting the hard drive fully while reinstalling macOS or Mac OS X. Before commencing, you should start with the following: §  Backi...

Windows 11 launched in October, with Microsoft bringing some changes to the operating system. It was the first name change in six years, and the rollout began on October 5. The rollout is being phased on eligible devices. You can download it if you don’t want to wait for it to be your device’s turn. Some businesses are opting to defer upgrades to Windows 11, as are some individuals. Others are excited to take advantage.The following are some things to know about implementing changes to the operating system. What is Windows 11?The operating system was officially unvei...

Since the launch of Windows 10 everyone around the world is crazy about it. No one wants to use the old Windows 7 and 8 anymore. Windows 10 is simple, light and has all the great features. The interface is awesome and gives it a techy look as well.Well, what if we told you that there are still some features of this great OS that are yet to be discovered? Yes, that is right. Today we will be discussing a few of the features that are not commonly known to people.Secret Start MenuThat is right, there is a secret Start menu for power users in Windows 10. The purpose of this menu is to let power us...

If you have a lot of images in different formats and you want to convert them to a common format, you can use the Mac Finder to do it easily and quickly. Here are the steps to follow:1. Open the Finder and navigate to the folder where your images are stored.2. Select the images that you want to convert. You can use the Shift key or the Command key to select multiple images at once.3. Right-click on the selected images and choose Services > Preview from the context menu. This will open the Preview app with all the selected images.4. In the Preview app, go to File > Export Selected Images....