What does * mean in UNIX COMMANDS
The asterisk is a special symbol found in many computing languages and programs. It has various uses and meanings depending on its context, making it an incredibly versatile tool. In this article, we’ll take a look at the asterisk’s many different uses, full form, and what it means in computing.
* meaning in Unix Commands in Computing
* mostly used in an acronym Unix Commands in Category Computing that means Wild Card in searches
Shorthand: *,
Full Form: Wild Card in searches
For more information of "Wild Card in searches", see the section below.
What Does the Asterisk Mean? When used alone, the asterisk usually means multiplication. This is most commonly seen when writing mathematical equations or formulas. The asterisk can also be used to indicate multiplication when written with other text (e.g., “5*2 = 10″). In programming languages, the asterisk is often used as a wildcard character; it can represent any number of characters in a string or pattern matching algorithm. For example, if you wanted to find all files ending with ".txt" on your computer, you could use “*.txt” as the search term to pull up all results that meet that criteria. In certain web browsers, an asterisk can be placed within an URL to denote parts of the address that should remain constant even across different versions of the application (e.g., http
//www.*example.com*). The asterisk is also sometimes used as a symbol for something that has been omitted; for example, in slang phrases like “w/e” (short for “whatever”), an asterisk may be placed after each letter to indicate that something was left out (i.e., "w*e").
What Is the Full Form of *? The "full form" of the asterisk depends on its context - there isn't one specific answer that applies universally! As previously mentioned, it can mean multiplication or serve as a wildcard character when written with other text (e.g., http
//www.*example*com/). It can also stand in place of omitted words or phrases (i.e., w*e).
Essential Questions and Answers on Wild Card in searches in "COMPUTING»UNIX"
What is a Wild Card?
A Wild Card is an advanced search operator that can be used to replace or stand in for a single character in a word or phrase. This allows you to broaden your search results when you are unsure of the exact term you need. For example, if you do not know the correct spelling of a word, you could use a wild card to find all possible permutations.
How do I use a Wild Card?
To use a wild card operator, simply type an asterisk (*) at the end of the word root or phrase that you would like to search for. The asterisk represents any number of characters in lieu of one specific character. After typing the word root plus the wild card, hit enter and complete your search as normal.
Where can I use Wild Cards?
Wild cards can be used on most major search engines such as Google, Bing, Yahoo!, and DuckDuckGo, as well as on databases and file systems.
Are there other Wild Cards besides Asterisks?
Yes! Other common wild cards include question marks (?) and pound signs (#). These symbols can represent any letter or number combination instead of just one character like an asterisk does.
What are some examples of using Wild Cards?
An example of how you could use wildcards might involve searching for car models from different manufacturers. Instead of typing each model name separately, try typing “car*” and then hitting enter; this will produce results with all kinds of variations including luxury models, economy cars, electric vehicles and more!
Can Wild Cards be Used with Boolean Operators?
Yes! In fact, Boolean operators are often used in combination with wildcard operators when conducting searches online. For instance if you wanted to find information about cats AND dogs together you might type “cat* OR dog*” into the search bar.
Is there anything special I should know before using Wild Cards?
It's important to remember that wildcards are powerful tools that may return thousands or even millions more results than expected so it's best to keep your query as precise and focused as possible when utilizing them! Also, some search engines may have slightly different syntax requirements so make sure to double check before running your query.
Are there any limitations on using Wild Cards?
Some search engines may limit the number of characters allowed after entering a wildcard so it's important to keep within those limits when making queries. Additionally always verify exactly which special characters are supported by each site beforehand since not every platform supports all types (such as plus signs + ). Lastly while all major search engines support basic wildcards functionality some may offer advanced versions with additional features.
How can I tell if my searches include Wild Cards?
Most searches will include a small indicator near the bottom showing which words included wildcards in their query – if this isn't present then none were used during that particular job. Otherwise take note that any time an asterisk (*), question mark (?) or pound sign (#) appears in place of any single letter/number it indicates that a wildcard has been used.
Final Words:
In summary, the asterisk (*) is a versatile symbol found in many computing languages and software programs around the world. Its meaning and full form depend on its context and usage - ranging from multiplication to representing omitted words or phrases - making it incredibly useful in various applications and scenarios.
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