2016-11-27 19:01:13 -05:00
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Long: version
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Short: V
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Help: Show version number and quit
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2020-07-13 08:15:04 -04:00
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Category: important curl
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2016-11-27 19:01:13 -05:00
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---
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Displays information about curl and the libcurl version it uses.
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The first line includes the full version of curl, libcurl and other 3rd party
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libraries linked with the executable.
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The second line (starts with "Protocols:") shows all protocols that libcurl
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reports to support.
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The third line (starts with "Features:") shows specific features libcurl
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reports to offer. Available features include:
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.RS
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2020-06-12 04:30:20 -04:00
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.IP "alt-svc"
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Support for the Alt-Svc: header is provided.
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.IP "AsynchDNS"
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This curl uses asynchronous name resolves. Asynchronous name resolves can be
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done using either the c-ares or the threaded resolver backends.
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.IP "brotli"
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Support for automatic brotli compression over HTTP(S).
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.IP "CharConv"
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curl was built with support for character set conversions (like EBCDIC)
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.IP "Debug"
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This curl uses a libcurl built with Debug. This enables more error-tracking
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and memory debugging etc. For curl-developers only!
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.IP "GSS-API"
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GSS-API is supported.
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.IP "HTTP2"
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HTTP/2 support has been built-in.
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.IP "HTTP3"
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HTTP/3 support has been built-in.
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.IP "HTTPS-proxy"
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This curl is built to support HTTPS proxy.
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.IP "IDN"
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This curl supports IDN - international domain names.
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2016-11-27 19:01:13 -05:00
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.IP "IPv6"
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You can use IPv6 with this.
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.IP "krb4"
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Krb4 for FTP is supported.
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2020-06-12 04:30:20 -04:00
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.IP "Largefile"
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This curl supports transfers of large files, files larger than 2GB.
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2016-11-27 19:01:13 -05:00
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.IP "libz"
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Automatic decompression of compressed files over HTTP is supported.
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2020-06-12 04:30:20 -04:00
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.IP "Metalink"
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This curl supports Metalink
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.IP "MultiSSL"
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This curl supports multiple TLS backends.
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2016-11-27 19:01:13 -05:00
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.IP "NTLM"
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NTLM authentication is supported.
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2020-06-12 04:30:20 -04:00
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.IP "NTLM"
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NTLM authentication is supported.
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.IP "PSL"
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PSL is short for Public Suffix List and means that this curl has been built
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with knowledge about "public suffixes".
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2016-11-27 19:01:13 -05:00
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.IP "SPNEGO"
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SPNEGO authentication is supported.
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2020-06-12 04:30:20 -04:00
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.IP "SSL"
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SSL versions of various protocols are supported, such as HTTPS, FTPS, POP3S
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and so on.
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2016-11-27 19:01:13 -05:00
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.IP "SSPI"
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SSPI is supported.
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.IP "TLS-SRP"
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SRP (Secure Remote Password) authentication is supported for TLS.
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.IP "UnixSockets"
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Unix sockets support is provided.
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.RE
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