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Linux
A free and open-source family of operating systems first started in 1991 and named after its creator, Linus Torvalds.
2,239 Questions
What command is used to print a file in Linux?
In Linux, the lp command is commonly used to print a file. For example, you can use lp filename.txt to send the file filename.txt to the default printer. Alternatively, the lpr command can also be used in a similar way, such as lpr filename.txt. Both commands allow for additional options to customize the printing process.
How many Linux users worldwide?
the linuxcounetr shows :
At 13/07/2012 09:50am, there are 132,975 users and 93,716 machines registered.
linuxcounter guess at the number of
Linux users:61,127,934
World population: 7,065,924,037
Internet users: 2,397,173,905
How does suse linux enterprise server differ from suse linux professinal?
SUSE Enterprise is made to run on servers(which use different platforms to organize the web page) while SUSE Linux professional is desktop Linux with special mods and cool platforms for high tech work in offices and studios.
What are some first steps to troubleshooting Linux?
To troubleshoot Linux, start by checking system logs for errors, typically found in the /var/log directory, using commands like dmesg or journalctl. Next, confirm that all relevant services are running using systemctl status or service --status-all. Additionally, check resource usage with commands like top or htop to identify any processes consuming excessive resources. Finally, ensure that your network configuration is correct by using commands such as ifconfig or ip a for network interface details.
Which command provides secure command line access to a remote Linux machine?
ssh command provide secure access to a remote machine using terminal.
Use the following syntax when using ssh to connect to a remote computer
ssh remote_username@remote_host
How can learn Linux in shortest possible time or what are the key steps to learn?
To learn Linux in the shortest possible time, start by familiarizing yourself with the command line interface, as it's essential for effective navigation and operation. Utilize online resources like tutorials, courses, and documentation, focusing on practical exercises to reinforce your learning. Set up a virtual machine or use a live USB to experiment with different distributions, and engage with community forums for support. Lastly, practice regularly by working on small projects or tasks to build your confidence and proficiency.
What was the largest group of Linux users?
The largest group of Linux users historically has been developers and IT professionals, particularly those working in server environments and software development. Additionally, Linux is widely adopted in academia and among enthusiasts who appreciate its open-source nature. More recently, desktop users have increased, especially with distributions like Ubuntu, which cater to general users seeking alternatives to proprietary operating systems. Overall, the versatility and customization options of Linux attract a diverse range of users across various sectors.
How can I configure internet connection in Debian Linux with Nokia 3110?
To configure an internet connection in Debian Linux using a Nokia 3110, you can use the phone as a modem via Bluetooth or USB. First, ensure that the phone is set up for data services with your mobile carrier. Then, install necessary packages like blueman for Bluetooth management or configure ppp for USB tethering. Use the Network Manager or command line tools to set up the connection, entering the required APN and authentication details provided by your carrier.
When was a Linux server invented?
The Linux operating system was created by Linus Torvalds, who announced its development in August 1991. The first official version, Linux 0.01, was released in September 1991. While Linux is often associated with servers today, its initial purpose was to be a free alternative to the MINIX operating system for personal computers. Over the years, it evolved into a robust platform widely used for server environments.
What is the purpose of Switch in Linux?
In Linux, the switch statement is used in programming, particularly in languages like C or C++, to execute different blocks of code based on the value of a variable. It provides a more efficient way to handle multiple conditions compared to using multiple if-else statements. This can enhance code readability and maintainability, especially when dealing with numerous discrete values. However, in the context of Linux command line, "switch" might also refer to command options or flags that modify the behavior of commands.
What do you mean by Commands in Linux environment?
Linux commands are commands entered into a Linux terminal (command line interface) and it performs accordingly. For example: if you entered 'pwd' into the terminal prompt and pressed ENTER it would return the current working directory be it /home or /etc
'ls' will list all files and directories the specified directory. If no directory is given, the current one will be used as default.
the best way to learn Linux commands is to try them out for yourself which you can via installing Linux or downloading a live Linux CD, booting into it and type in different commands (as a normal, non-root user -- root has all kinds of super-duper powers and can break things easily).
AnswerIn fact, the 'commands' are programs. They can be stored in different directories, usually:/bin
/usr/bin
/usr/sbin
For example, when you type 'date' into a command line, the program /bin/date is launched. Programs in Linux don't usually have .exe in name. This program prints current date on users screen.
Answerusually/usr/sbin
/usr/bin
just type:
which command
at the prompt where command is what you are searching for and the Linux style computer will tell you.
i.e. :
%which CD
returns:
CD: /usr/bin/CD /usr/share/man/man1/CD.1.gz
so it says that the command CD is at /usr/bin and the manual is at /usr/share/man/man1.
There are many different commands available in Linux. Some of the most basic are:
- ls - lists the contents of a directory
- dir - same as above but with escaped spaces
- mv - move a file
- rm - delete a file (semi-permanent)
- cat - reads a file
- less - used to pipe lengthy output from a command so that it can be scrolled through. Use like ls | less.
- cp - copy files. cp file1 file1copy
- grep - search for text in a file. Can also be used to search for words in a command output. Example: ls | grep partoffilename
Which command would you use to change to the usr directory using an absolute pathname?
To change to the /usr directory using an absolute pathname, you would use the command cd /usr. This command specifies the full path to the usr directory from the root of the filesystem. Ensure you have the necessary permissions to access that directory.
What does the General Public License gpl allow you to do with Linux software?
As an end user, it allows you to do anything you want without restriction.
For people who redistribute, including end users who modify the kernel: It allows you to give it away or sell it to whoever you like so long as the source code is made available, including for your modifications. The GPL also places a few more restrictions on distributors to make sure they don't keep users from their freedoms.
