Web client application

1.lynx: Used as a page test//lynx command is a plain text mode Web browser, does not support graphics, audio and video and other multimedia information
Format: Lynx [options] [path or URL]
Option:-case: When searching for strings, case sensitive
-FTP: Turn off FTP feature
-nobrowse: Turn off the Directory browsing feature
-noclor: Turn off color display mode
-reload: Update the proxy server cache, only valid for the first page
--color: If the system supports color mode, the color mode is activated
--HELP: Display Help information for instructions
--VERSIOM: Display version information for instructions

2.elinks: Interactive mode
ELinks [Options ...] [URL ...]
-dump: does not enter interactive mode, directly outputs the specified resource content to standard output (copy Web page content)
-anonymous: Whether to use anonymous account mode
-auto-submit: Whether the first form encountered accidentally is submitted automatically
-config-dir: Specifies the storage directory for the configuration and run state of the elinks instruction runtime to read and write to itself
-version: Display version information for instructions
-H: Display Help information

3.curl:curl is a text transfer tool that works in command line mode based on URL syntax, and can support Http,https,ftp,ftps,gopher,telnet,dict,file, LDAP protocol, etc.
Features of Curl:
1. Support HTTPS authentication, support Kerberos authentication, username/password Authentication;
2. Support for the HTTP protocol put method and post method;
3. FTP protocol and HTTP protocol file upload, download, and can support the upload, download the process of file breakpoint resume function;
4. Proxy server and Proxy server pipeline (proxy tunneling)
5. Support for use of cookies
6. Support IPV6
Usage:
curl [Options] [URL ...]
Common options:
-A,--user-agent <agent String>: Sets the user agent sent to the server;
-E,--referer <url>: When accessing the destination URL, the jump source is <URL>;
--compressed: Request the server response message must be a compressed format;
--cacert <ca Certificate>: Use the specified CA certificate when making an HTTPS connection;
-H,--header -I,--head: Using the Head method to request resources to the server, only requests the server to return the header of the response packet;
--limit-rate <speed>: Set file transfer rate;
-0: Use http/1.0;
-1: Use TLSV1;
-2: Use SSLV2;
-3: Use SSLv3;
-4: Use IPV4;
-6: Use IPV6;

4.ab:apache HTTP Server Stress test tool (typically not used in production environments)
Common options:
-C Concurrency: The number of concurrent requests sent to the server;
-N Requests: The total number of requests sent to the server;
-K: Open keepalive long connection;

Web client application