Time Command in Linux

The time command is used to determine how long a given command takes to run. It is useful for testing the performance of your scripts and commands.

For example, if you have two different scripts doing the same job and you want to know which one performs better you can use the Linux time command to determine the duration of execution of each script.

#linux #time

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Examples of the dig command in Linux

Dig Command Line Options and Examples
Here is the frequently used command line options and example’s of dig command.
1. Basic Dig Command
A basic dig command accept domain name as command line parameter and prints Address record.
2. Query With Specific DNS Server
The default dig command queries to dns server configured on your system. For example, the Linux systems keep default DNS entry in /etc/resolv.conf.
3. Print Short Answer
Use +short command line option to print result in short form. This is basically useful with the shell scripting and other automation tasks.
4. Print Detailed but Specific Result
Use +noall with +answer to print detailed information but specific. This will print only answer section including few more details as a result.

#linux commands #command #dig #dig command #useful examples #linux

Useful Example for the mv command in Linux

mv Command Examples
Below is the basic mv command examples on Linux terminal.

• Rename file in current directory – For example rename file source.txt to dest.txt in current directory.
• Move file to destination directory – Move a source.txt file available in current directory to /tmp directory. In above command the file name is unchanged at target directory. You can also rename file name at destination directory just by providing filename at destination.
• Move file from source directory to destination directory – We can also move files or directory from some other directory to destination directory.
• Move multiple files to destination at once – The mv accepts multiple source files and move them to the destination directory at once. The following command will move file1.txt, file2.txt in current directory and /opt/file3.txt to the /tmp directory. Here the last command line parameter is used as destination by the mv command.

#linux commands #command #mv #useful example #mv command #linux

date command in Linux with Examples

date Command Examples
Show date time in UTC/GMT
View past dates on specific days
View future dates
View date in other timezone
Print date in specific format
View file modification time

#linux commands #command #date #linux

20 Funny Commands of Linux or Linux is Fun in Terminal

1. Command: sl (Steam Locomotive)

2. Command: telnet

3. Command: fortune

4. Command: rev (Reverse)

5. Command: factor

6. Command: script

7. Command: Cowsay

8. Command: yes

9. Command: toilet

10. Command: cmatrix

…

#linux commands #terminal #funny commands #linux

How to Delete Directories and Files in Linux using Command Line

In this remove or delete directories and files linux tutorial guide, you will learn how to remove empty directory and non empty directory linux using command line. And as well as how to remove/file files linux using command line.

If you work with Linux then you will need the following:

• how to remove empty directory in linux,
• how to remove non empty directory,
• how to remove directory without confirmation linux
• how to remove files with and without confirmation in linux.

So, this tutorial guide will show you you how to use the rm, unlink, and rmdir commands to remove or delete files and directories in Linux with and without confirmation.

https://www.tutsmake.com/how-to-remove-directories-and-files-using-linux-command-line/

#how to delete directory in linux #how to remove non empty directory in linux #remove all files in a directory linux #linux delete all files in current directory #linux delete all files in a directory recursively #delete all files in a directory linux