curl command in Linux with Examples

1. What is curl command Linux?
2. What is curl example?
3. How do I run a curl command in Linux?
4. What is curl and how do you use it?
5. Where is curl command used?
6. How do you stop a curl command?
7. Why is cURL used?
8. What is a cURL in physics?
9. What cURL means?
10. How do you learn curl command?
11. How do I run a curl command in Terminal?
12. How do you call REST API using curl command?

What is curl command Linux?

curl is a command-line utility for transferring data from or to a server designed to work without user interaction. With curl , you can download or upload data using one of the supported protocols including HTTP, HTTPS, SCP , SFTP , and FTP .

What is curl example?

The -D - tells curl to store and display the headers in stdout and the -o option tells curl to download the defined resource. ... This example can be useful if you are testing the download speed of an asset but don't want to print or save the output.

How do I run a curl command in Linux?

15 Tips On How to Use 'Curl' Command in Linux

1. Download a File. If you want to download a file, you can use curl with the -O or -o options. ...
2. Download Multiple Files. With the following command you will download info. ...
3. Use a Proxy with or without Authentication. If you are behind a proxy server listening on port 8080 at proxy.yourdomain.com, do. ...
4. Specify User Agent.

What is curl and how do you use it?

cURL, often just “curl,” is a free command line tool. It uses URL syntax to transfer data to and from servers. curl is a widely used because of its ability to be flexible and complete complex tasks.

Where is curl command used?

curl is a command line tool to transfer data to or from a server, using any of the supported protocols (HTTP, FTP, IMAP, POP3, SCP, SFTP, SMTP, TFTP, TELNET, LDAP or FILE). curl is powered by Libcurl. This tool is preferred for automation, since it is designed to work without user interaction.

How do you stop a curl command?

Just press Ctrl+C and start over. Then make sure that you close each quote properly.

Why is cURL used?

cURL is a command-line tool for getting or sending data including files using URL syntax. Since cURL uses libcurl, it supports every protocol libcurl supports. cURL supports HTTPS and performs SSL certificate verification by default when a secure protocol is specified such as HTTPS.

What is a cURL in physics?

In vector calculus, the curl is a vector operator that describes the infinitesimal circulation of a vector field in three-dimensional Euclidean space. ... The curl of a field is formally defined as the circulation density at each point of the field. A vector field whose curl is zero is called irrotational.

What cURL means?

Updated February 23, 2021 | Published April 4, 2019. cURL, which stands for client URL, is a command line tool that developers use to transfer data to and from a server.

How do you learn curl command?

How to start using Curl and why: a hands-on introduction

1. Curl: What is it good for? Curl is a command-line tool that allows us to do HTTP requests from shell. ...
2. Calling a GET method. ...
3. Doing a POST to a URL. ...
4. Fetching the site's headers. ...
5. Setting your user-agent value. ...
6. Timing a connection with Curl. ...
7. Further reading. ...
8. To conclude.

How do I run a curl command in Terminal?

Install curl on Mac

1. Open Terminal (press Cmd + spacebar to open Spotlight, and then type “Terminal”).
2. In Terminal type curl -V . The response should look something like this:

How do you call REST API using curl command?

The syntax for the curl command is as follows: curl [options] [URL...]
...
Curl Options

1. -X , --request - The HTTP method to be used.
2. -i , --include - Include the response headers.
3. -d , --data - The data to be sent.
4. -H , --header - Additional header to be sent.