- or -- (was: Re: [OS X TeX] MacTeX DVD has arrived (DANTE edition) – What should be paid attention for?)

[Friedrich Vosberg]

On 10.12.2008, at 9.43, Simon Spiegel wrote:

> Type 'sudo tlmgr update --all'

What's generally the difference between an optional argument initiated  
by only *one* dash e.g.

ping -c4 IP adress

  and an optional argument introduced by *two* dashes e.g.

tlmgr update --all

TIA and kind regards, Friedrich

--
»Der Autoritätsverfall in unserer Zeit beruht auch auf der Feigheit,  
Autorität auszuüben.« (Mario Scelba)

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