How to Get Commands Explanation in Terminal with Kmdr

To start, type kmdr explain , after which you'll be asked to enter the command you want to learn more about. For instance, if you wanted to know what the sudo command does, type kmdr explain , then on the next line type sudo and then press Enter.

How do I find the command description in Linux?
What are the terminal commands for Ubuntu?
What is N command in Linux?
What is the output of who command?
Where do I type Linux commands?
How do I list all directories in Linux?
What is an command?
What is the use of command in Linux?
What is symbol called in Linux?
What is $@ bash?
Is command used for?
Who command examples?
What is S in SED?
What is the use of echo command?

How do I find the command description in Linux?

37 Important Linux Commands You Should Know

alias. The alias command lets you give your own name to a command or sequence of commands. ...
cat. The cat command (short for “concatenate”) lists the contents of files to the terminal window. ...
cd. The cd command changes your current directory. ...
chmod. ...
chown. ...
curl. ...
df. ...
diff.

What are the terminal commands for Ubuntu?

50+ Basic Ubuntu Commands Every Beginners Should Know

apt-get update. This command will update your package lists. ...
apt-get upgrade. This command will download and update installed software. ...
apt-get dist-upgrade. ...
apt-get install <package-name> ...
apt-get -f install. ...
apt-get remove <package-name> ...
apt-get purge <package-name> ...
apt-get autoclean.

What is N command in Linux?

-n is one of the string operators for evaluating the expressions in bash. It tests the string next to it and evaluates it as "True" if string is non empty. Positional parameters are a series of special variables ( $0 , $1 through $9 ) that contain the contents of the command line argument to the program.

What is the output of who command?

Explanation: who command output the details of the users who are currently logged in to the system. The output includes username, terminal name (on which they are logged in), date and time of their login etc. 11.

Where do I type Linux commands?

Its distros come in GUI (graphical user interface), but basically, Linux has a CLI (command line interface). In this tutorial, we are going to cover the basic commands that we use in the shell of Linux. To open the terminal, press Ctrl+Alt+T in Ubuntu, or press Alt+F2, type in gnome-terminal, and press enter.

How do I list all directories in Linux?

ls is a Linux shell command that lists directory contents of files and directories.
...
ls command options.

option	description
ls -d	list directories - with ' */'
ls -F	add one char of */=>@\| to enteries
ls -i	list file's inode index number
ls -l	list with long format - show permissions

What is an command?

Commands are a type of sentence in which someone is being told to do something. There are three other sentence types: questions, exclamations and statements. Command sentences usually, but not always, start with an imperative (bossy) verb because they tell someone to do something.

What is the use of command in Linux?

Linux which command is used to identify the location of a given executable that is executed when you type the executable name (command) in the terminal prompt. The command searches for the executable specified as an argument in the directories listed in the PATH environment variable.

What is symbol called in Linux?

Symbol or Operator in Linux Commands. The '!' symbol or operator in Linux can be used as Logical Negation operator as well as to fetch commands from history with tweaks or to run previously run command with modification.

What is $@ bash?

bash [filename] runs the commands saved in a file. $@ refers to all of a shell script's command-line arguments. $1 , $2 , etc., refer to the first command-line argument, the second command-line argument, etc. ... Letting users decide what files to process is more flexible and more consistent with built-in Unix commands.

Is command used for?

The IS command discards leading and trailing blank spaces in the terminal input and converts embedded blank spaces to single blank spaces. If the text includes embedded spaces, it is composed of multiple parameters.

Who command examples?

10 'who' Command Examples for Linux Newbies

If you run who command without any arguments, it will display account information (user login name, user's terminal, time of login as well as the host the user is logged in from) on your system similar to the one shown in the following output. ...
To print the heading of the columns displayed, use the -H flag as shown.

What is S in SED?

sed 's/regexp/replacement/g' inputFileName > outputFileName. In some versions of sed, the expression must be preceded by -e to indicate that an expression follows. The s stands for substitute, while the g stands for global, which means that all matching occurrences in the line would be replaced.

What is the use of echo command?

echo command in linux is used to display line of text/string that are passed as an argument . This is a built in command that is mostly used in shell scripts and batch files to output status text to the screen or a file.