What is hyphen used for in Linux?

Many built-in commands use a hyphen for options, like declare . — declares the end of options to a shell builtin. $- “expands to the current option flags as specified upon invocation”.

What does hyphen mean in bash?

A bash shell interprets a single-hyphen specially in argument list-contexts. With set , for example it marks the end of options and disables -v erbose and -x trace. Additionally, set – does not clear a parameter list if it is the first and only argument to set as set — would.

What is the DASH called in Linux?

When you’re using a shell command, it’s common to pass options to that command using dashes–which are also called hyphens. These options can be specified with either a single dash (-) or a double dash (–).

What’s the use of a hyphen?

A hyphen (-) is a punctuation mark that’s used to join words or parts of words. It’s not interchangeable with other types of dashes. Use a hyphen in a compound modifier when the modifier comes before the word it’s modifying.

What does hyphen mean in command line?

Specifying a dash “-” turns the option on, while using a plus “+” disables the option. The following options can be set from the command line or with the set builtin (described later). -n noexec If not interactive, read commands but do not execute them.

What is the difference between dash and hyphen?

They might all look like lines on a page, but hyphens and dashes serve different purposes. To begin, a hyphen (-) is shorter than a dash (–). Hyphens join words together and dashes indicate range.

Why are words hyphenated?

Hyphens’ main purpose is to glue words together. They notify the reader that two or more elements in a sentence are linked. Although there are rules and customs governing hyphens, there are also situations when writers must decide whether to add them for clarity.

What is the meaning of double hyphen?

Definition of double hyphen : a punctuation mark ⸗ used in place of a hyphen at the end of a line to indicate that the word so divided is normally hyphenated.

What’s the purpose of a hyphen?

How do you know when to use a hyphen?

The Hyphen

1. Use a hyphen at the end of a line to divide a word where there is not enough space for the whole word.
2. Use a hyphen to indicate a word spelled out letter by letter.
3. Use a hyphen to join two or more words to form compound adjectives that precede a noun.
4. Use a hyphen to avoid awkward doubling of vowels.

Does problem solving have a hyphen?

problem solving—when used as a noun. Hyphenate when used as a modifier: The course examines problem solving in organizations.