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These external relationships are expressed using URIs, typically as URLs. However absolute URLs only work when the network can reach them. Relying on remote resources makes XML processing susceptible to both planned and unplanned network downtime. Relative URLs are only useful in the context where they were initially created.
At that moment, the relative path for the desired directory can be represented as: ./bobapples or for short: bobapples and the absolute path for the directory as: /users/mark/bobapples Given bobapples as the relative path for the directory wanted, the following may be typed at the command prompt to change the current working directory to bobapples:
Absolute URLs are URLs that start with a scheme [5] (e.g., http:, https:, telnet:, mailto:) [6] and conform to scheme-specific syntax and semantics. For example, the HTTP scheme-specific syntax and semantics for HTTP URLs requires a "host" (web server address) and "absolute path", with optional components of "port" and "query".
A program that digests and validates an XML document may later render the XML document in a different way, e.g. adding excess space between attribute definitions with an element definition, or using relative (vs. absolute) URLs, or by reordering namespace definitions.
The single slash between host and path denotes the start of the local-path part of the URI and must be present. [5] A valid file URI must therefore begin with either file:/path (no hostname), file:///path (empty hostname), or file://hostname/path. file://path (i.e. two slashes, without a hostname) is never correct, but is often used.
[13]: §4.1 A path segment that contains a colon character (e.g., foo:bar) cannot be used as the first path segment of a relative reference if its path component does not begin with a slash (/), as it would be mistaken for a scheme component. Such a path segment must be preceded by a dot path segment (e.g., ./foo:bar). [13]: §4.2
The strategist is particularly concerned that the five biggest stocks in the US — Apple (), Nvidia, Microsoft (), Alphabet (GOOG, GOOGL), and Amazon — make up about a quarter of the S&P 500 ...
ln -s target_path link_path target_path is the relative or absolute path to which the symbolic link should point. Usually the target will exist, although symbolic links may be created to non-existent targets. link_path is the path of the symbolic link.