linux command

In this tutorial, we will learn the basic use of head command in Linux / Unix system. Head command is widely used for System Administration. As the name suggest, it shows the head part means show output of the first part of files . Introduction Of Head Command Head command in Linux / Unix system,…

In this tutorial we will learn about whoami command in Linux / Unix system. We will also read about its use and advantage. Its best use is in shell like sh,ash and ksh where username is not seen in command prompt. Introduction Of whoami Command The whoami command print the user name associated with user…

In this tutorial we will learn, simple method to find the keyword in all available man pages in Linux / Unix system. First we have to be confirm that man command is installed. man page Abbreviation of man page is manual page. It is a software documentation in Unix like operating system. Generally in many…

When we work in terminal or command line, sometime we want to know in which current directory we are working. And sometimes we also want to know in which previous directory I worked.These requirement are simple but are very important for system administration. Information of working directory is also required in scripting. When system administrator…

In Linux and Unix Systems, cd command is one the basic,essential and frequently use command.Abbreviation of cd is “Change Directory” . For Linux/Unix System Administrator, it is important to know by how many ways cd command can be used. In this post, I have listed 6 examples which will help you in your daily system…

In this post we are explaining about type command with examples. In Linux system, type command is used for displaying information about command types. It displays if command is an alias,shell function, shell builtin, disk file, or shell reserved word. You can use type command with other command names also. With the help of type…

When we execute any command or script,it returns an exit status. The exit status is also called as return code or exit code. It is important to know the exit status of command which we execute. The method which we are going to describe become more helpful with script also. Exit status must be an…

Learn more about which command with examples to find the path of Linux command and executable files in Linux and Unix operating system.

In this tutorial we will learn about, how to use df command to check the mounted filesystem on linux. As a Linux System administrator, this command is basic and very important.The df command shows the usage of mounted filesystem.It is notable that the filesystems which are not mounted on system,we can not get its information…