The More I try the Tougher it gets ;)
A process is a set of instructions loaded into memory. Every Process contains a unique process identification number also known as PID. To list ongoing processes, you can use various commands such as “ps“, “top” and many more. Each command has its own significance and give a variety of information about the process. Let us … Read more
We all have come across scenarios where we have a bunch of local machines on which we are learning or working and we want them to be known by their hostname on the network. For this purpose, it is not possible to have these hostnames or domains hosted out the network. So to achieve this … Read more
In the earlier post we saw how to do network configuration and within it there were many places where we made entries for the “DNS” using the “nameserver” directive. “nameserver” is the parameter or directive which is commonly used to mention the IP of the DNS server. In more recent flavors you can make entries … Read more
In the last post we saw about the different text processing tools and if you have been following along the series and practicing on your own you should have got a hang of Linux by now. That said let’s move on to configuring some important system parameters like network configuration. We will use our knowledge … Read more
In the last post we saw some basic commands and how to get help on them. In this post we will explore some text processing tools which will help you view and process the contents of a file or command as desired. Viewing. To just view the contents of a file you can use the … Read more
Commands:These are words which you type in the command line prompt to execute a pre-written script to accomplish a certain objective. Syntax:Commands may be a single word or may have certain syntax. The ones which have a syntax is normally in the pattern of:#command <options> <arguments>where each item is separated by space. Options and arguments … Read more
Well there are many text editors for Linux, some are pretty straight forward and some really need a full fledged-tutorial. Today we will see the “vi” and “vim” text editor. “vi” was first introduced and serves as the default text editing tool in most Linux distribution. “vim” is just an upgraded version of “vi” and … Read more
In the last post we saw the file operations, today we will different I/O channels in Linux. So basically Linux provides 3 I/O channels: 1. Standard Input [STDIN]: This is the channel via which a Linux OS accepts INPUT, by default it is the Keyboard. 2. Standard Output [STDOUT]: This is the channel on which … Read more
In the last post we saw how to move around within directories, in this post we will see how to do file operations like copy, move, rename, etc. So let’s get started To copy files and directories we use the “cp” command, with or without arguments. cp -[arguments] [source] [dest] – To copy a file … Read more
In the earlier post, we saw the Linux directory structure, today we will see how to navigate within directories and view contents. The Current Working Directory:Every shell or system process has a current working directory which can be seen with the command “pwd“.So when so change user to something that an application is using or … Read more