How to Use the help Command in Linux

This tutorial explains what the help command is and how it is used to get help about the built-in commands in Linux. Learn how to use the help command through practical examples. A Linux shell contains two types of commands: internal commands and external commands. Internal commands are also known as the built-in commands. They are automatically installed as part of the shell when the shell is installed. Since internal commands are installed as part of the shell, most of them don\'t Read more [...]

How to use the info and pinfo commands in Linux

This tutorial explains how to use the info and pinfo commands in Linux. Learn what the Texinfo pages are and how they are organized and how they are read by the info and pinfo commands. What are the Texinfo or Info manual pages in Linux? When we install a software package, it automatically installs help pages that not only explain the functionality of the package but also provide a detailed description of how to use the functionality of the package. Packages prepare their help pages in one Read more [...]

Setting Date, Time, and Time Zone on Ubuntu Linux

This tutorial explains how to display or set the date, time, and time zone on Ubuntu Linux. Learn how to change or sync the system time and the hardware time manually. Date and time are two important settings of any computer system. Many features and functions (such as scheduled maintenance, backup, software updates, login hours, and downtime) depend on both settings. A computer system maintains three types of time: hardware time, system time, and network time. Hardware time When you purchase Read more [...]

Changing Date and Time on Command line Terminal

This tutorial explains how to change or sync the date and time on Ubuntu Linux using a command-line terminal. Learn how to check and set the correct date and time on Ubuntu. An Ubuntu system maintains three types of time: hardware time, system time, and network time. Hardware time: - This time is provided by the hardware clock. Computer motherboards come with a pre-installed and configured hardware clock. System time: - This time is provided by the system clock. The system clock is installed Read more [...]
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