Getting detailed information related to files on your storage is tricky if you do not know how to use the ls command. Here we'll discuss everything associated with the ls command on Linux, along with some various flags used with it. The ls Command on Linux The ls command is used to li...
The sudo command allows any user within the sudo group to run commands as another user. By default, sudo will run as root, but you can specify any user you want. If you plan on using a Linux operating system, you will likely use this command quite a bit. You will most likely use ...
How to Remove Aliases To remove an alias, use theunaliascommand: unalias alias-name For example, to remove theupdatetemporary alias fromabove, enter: unalias update To remove all aliases: unalias -a Note Removing all aliases also removes the system default aliases. ...
You can change the directory by using the cd command or list the contents of the current directory by using the ls command. You can use this command to help locate where you currently are within a folder structure. It is also a very useful command to use within scripts where you might ...
Here I tried to list a file that doesn't exist. Then when I enteredecho $?I got2, which is how thelscommand indicates that the argument is not a file or directory name. Customize the return code You can also use theexitcommand from a shell script to customize the return code to the...
Before really starting to use Ruby, you need to have a basic understanding of the command line. Since mostRubyscripts won't have graphical user interfaces, you'll be running them from the command line. Thus, you'll need to know, at the very least, how to navigate the directory structure...
(4). Use the ‘chmod’ command to modify the permissions of the file or directory. The syntax is ‘chmod[options] mode file’. Here are some examples: ‘chmod 755 myfile’will give the owner read, write, and execute permission, and others read and execute permission. ...
The tree command recursively lists directories and files in Linux. Files are listed in an indented manner under their directories.
The bash history mechanism is persistent and remains with us even after reboots, so we want to ensure that it contains information that is relevant to our use of the command line. Let's take a look at how it all works, so that you can better manage its contents. ...
To change the default route, the ip command can be used as follows: $ sudo ip route add default via 192.168.0.196 Show Network Statistics The ip command can also be used to show the statistics of the various network interfaces. To do this you can use the ip command with the option -s...