The grep command is a command used to search for and find exact matches in multiple strings. It ignores letter case and the grep command will print out the lines containing the search string. You can use the -w flag to list all the lines that contain the search string. This option will also print …
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To install Python on a new computer, you can follow one of two methods. The first method is the easy way: simply follow the command “python”. The second method is more complex and can be difficult to understand. The third method is unique and designed for programmers and researchers who need to use a specific …
If you have a Mac running Snow Leopard X, you may wonder: Is MacOS Mojave better than Catalina? While Catalina was a nice upgrade, it wasn’t particularly impressive compared to Mojave. If you’re thinking about upgrading, make sure you’re using a Mac that’s at least a few years old. You’ll want to use utility apps …
If you are unsure of your administrator password, you can reset it in the Users & Groups option of System Preferences. Then, click the lock icon in the bottom left corner of the preference pane. Enter the administrator password to confirm the change. If necessary, you can provide a password hint. After you’ve reset your …
If you’ve got a broken USB drive and need to download Chrome OS, you’ve come to the right place. The web-based desktop operating system has recently come to market, and you’ll need a working computer and USB drive to run it. There’s a workaround though. Google has created bootable software that will allow you to …
The file attributes on a file describe how a file is configured. These can be anything from compression to deletion. Some attributes can be set or cleared, while others are read-only. Depending on the filesystem you are using, certain attributes may not be supported. In this article, you will learn how to change file attributes …
If you have lost your GUI, you can use keyboard shortcuts to switch between the console and the graphical interface. Press CTRL + ALT + F7 to switch between the two modes, and you can also cycle through all cases using the function keys. To switch back to the desktop, use Alt + F1 or …
Variable data files, spool folders, and administrative and logging data are stored in the var directory on your system. Some of these files can be shared among other systems. Linux is built to make use of the var partition and swap partition to extend system memory. This partition holds transient files and is used to …
In Linux, you can use the diff command to view the contents of two files side by side. It marks the differences with a vertical bar. The output from diff is intended to be read by a computer, not a human. Most Linux users use the GNUdiff version, which has two modes – context and …
If you want to change user on your computer, you need to know how to log into Ubuntu from the terminal. You can do this in two ways. First, you can log out and then log back in. In both cases, you need to have your password to switch user. Then, you need to know …