I just accidentally typedland hit enter. Then this happened. I'm I'mnot talking aboutls -ljustl. Why did this happen? Someone please explain???
The “$?” is a built-in variable that your shell uses to store the exit status code of the last executed command in integer format and remains unchanged unless the next command is executed. Using this exit status code, you can debug the problem that occurred while executing the command, ...
Standard permissions in Linux are simple and direct, and they can be used to manage files and file shares on many different filesystems and file-sharing prot...
Grep is a small UNIX program for finding matching patterns. First released in V6 UNIX, you can now find it on almost any UNIX-like system such as Linux, macOS, and even BSDs. In this article, I will go through the basics of Grep and show you some examples of how to use the program...
rm:cannotremove`file1': Operation not permitted [root@nglinux ~]# Now even the root can’t delete the file. This is the magic of these file attributes in Linux. I hope you liked the article. Do post your comments, suggestions or questions below....
Here learn about the shell which is an important part of the Linux operating system. The shell in the Linux operating system is used as a command line interpreter. It works between user input and Linux Kernel.
It is ahidden fileand simplels commandwon’t show the file. To view hidden files, you can run the below command: $ls-a Copy You can see the.bashrccommand in the first column. The contents of.bashrccan be changed to define functions, command aliases, and customize the bash. ...
Typically, a request for a man page goes to section 1 or 8, but you can specify the section (assuming the requested command exists in multiple sections) by typing: $man1ls Comfort with accessing man pages and defining keyword searches is an essential Linux user skill. In fact, system docu...
- chmod command is to change the mode. - It is used to change the access permissions of files and folders. - The chmod is a command which allows you to modify file permissions on Linux/Unix systems. Syntax: chmod [option] permission file/folder Three basic file permissions: 1) Read (r...
This is the Linux command line. It’s older than the various desktop interfaces, but there’s a reason it’s still around and widely used. Many people swear by it. A Brief History of the Command Line The interface you use to view and interact with an operating system, whether text-base...