| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | Long: version |
| 2 | Short: V |
| 3 | Help: Show version number and quit |
| 4 | --- |
| 5 | Displays information about curl and the libcurl version it uses. |
| 6 | |
| 7 | The first line includes the full version of curl, libcurl and other 3rd party |
| 8 | libraries linked with the executable. |
| 9 | |
| 10 | The second line (starts with "Protocols:") shows all protocols that libcurl |
| 11 | reports to support. |
| 12 | |
| 13 | The third line (starts with "Features:") shows specific features libcurl |
| 14 | reports to offer. Available features include: |
| 15 | .RS |
| 16 | .IP "IPv6" |
| 17 | You can use IPv6 with this. |
| 18 | .IP "krb4" |
| 19 | Krb4 for FTP is supported. |
| 20 | .IP "SSL" |
| 21 | SSL versions of various protocols are supported, such as HTTPS, FTPS, POP3S |
| 22 | and so on. |
| 23 | .IP "libz" |
| 24 | Automatic decompression of compressed files over HTTP is supported. |
| 25 | .IP "NTLM" |
| 26 | NTLM authentication is supported. |
| 27 | .IP "Debug" |
| 28 | This curl uses a libcurl built with Debug. This enables more error-tracking |
| 29 | and memory debugging etc. For curl-developers only! |
| 30 | .IP "AsynchDNS" |
| 31 | This curl uses asynchronous name resolves. Asynchronous name resolves can be |
| 32 | done using either the c-ares or the threaded resolver backends. |
| 33 | .IP "SPNEGO" |
| 34 | SPNEGO authentication is supported. |
| 35 | .IP "Largefile" |
| 36 | This curl supports transfers of large files, files larger than 2GB. |
| 37 | .IP "IDN" |
| 38 | This curl supports IDN - international domain names. |
| 39 | .IP "GSS-API" |
| 40 | GSS-API is supported. |
| 41 | .IP "SSPI" |
| 42 | SSPI is supported. |
| 43 | .IP "TLS-SRP" |
| 44 | SRP (Secure Remote Password) authentication is supported for TLS. |
| 45 | .IP "HTTP2" |
| 46 | HTTP/2 support has been built-in. |
| 47 | .IP "UnixSockets" |
| 48 | Unix sockets support is provided. |
| 49 | .IP "HTTPS-proxy" |
| 50 | This curl is built to support HTTPS proxy. |
| 51 | .IP "Metalink" |
| 52 | This curl supports Metalink (both version 3 and 4 (RFC 5854)), which |
| 53 | describes mirrors and hashes. curl will use mirrors for failover if |
| 54 | there are errors (such as the file or server not being available). |
| 55 | .IP "PSL" |
| 56 | PSL is short for Public Suffix List and means that this curl has been built |
| 57 | with knowledge about "public suffixes". |
| 58 | .RE |