If you’re reading a text file in a text editor, you can use the sed command to skip the first two lines. The awk command uses a similar syntax, but prints the first line of the file after a newline character is added to the end. The tail command, on the other hand, matches all …
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If you’ve been locked out of your domain administrator account, don’t worry! Unlocking the administrator password on your server is easier than you think. You can use a password unlocker program to change it to something more secure. Then, restart your computer and remove the password unlocker CD or USB drive. Once the program has …
The first step in the cloning process is to find out where you are. Open a terminal window in the directory where you want to copy the repository. You can also use SSH to connect to the repository. The content of the repository is placed in a subdirectory. This subdirectory is not necessary. If you …
Assigning a user to a group is a common task on Linux systems. There are two ways to do this: the first is to add the user to a primary group and the second is to add the user to supplementary groups. Both methods have similar restrictions. By default, a user belongs only to a …
To find the size of a directory in Linux, you must be logged in with the correct user account. Linux uses the command-line interface to display information such as file and folder sizes. You can run the command “du” to display information about the current directory and its size in KB. The -h option can …
To run a C program on Ubuntu Terminal, you can type the command “c:” and press Enter. This will open the run command window and display an icon that indicates the application matching the file. Click on the icon or press Return to open the file. To run a C program, you need to install …
Depending on your model of computer, entering BIOS will differ from model to model. For example, some computers require a key press to enter, while others may require you to repeatedly press F12 or the Delete key. The BIOS key you need to press will usually be shown on your computer’s screen when it starts, …
The answer to the question “Is Unix a Mainframe?” lies in the technology that runs the system. IBM uses both UNIX and z/OS to run their mainframes. This technology spans both operating systems and was first used in the 1940s to help with the development of the atomic bomb. As a result, many applications that …
How Much RAM does Linux Use? You might be asking yourself if your system has this problem. The answer isn’t always straightforward. Some Linux distributions include more packages than others, and the full system might not fit on your installation media. Generally, a basic installation will take about four to eight GB of RAM. However, …
Do you know whether Linux uses Unix? Linux is a Unix-like computer operating system whose development was based on a free and open source software development model. One of the most popular Linux distributions is Ubuntu, which is based on the Debian Linux distribution and is available as free and open source software. While Unix …