Puggle Plague Mac OS

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By Xah Lee. Date: . Last updated: .

On MacOS terminal, sometimesthe command ls will show an at sign @. What does it mean?

Plague

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Mac

That means the file has Extended file attributes.

Here's a quote from man ls:

If the file or directory has extended attributes, the permissions fieldprinted by the -l option is followed by a '@' character. Otherwise, ifthe file or directory has extended security information (such as an accesscontrol list), the permissions field printed by the -l option is followedby a '+' character.

What's Extended Attribute?

Summary:

  • Standard Attributes. For example, creation date, modification date, permission.
  • Extended Attributes Stores extra, customizable, small info. For example, author name, file character encoding, short comments, security status.
  • Resource Fork. Widely used before Mac OS X , can be considered as a more elaborate extended attribute system, and may also hold main data of the file. (See: Mac OS X Resource Fork and Command Line Tips)

View Extended Attribute with ls

ls -l -@ filename

Show Attribute with xattr

xattr filename

To see how to use xattr, do

  • man xattr
  • xattr -h

Delete All Extended Attribute

To deletes all extended attributes:

xattr -c filename

What to Put in Extended Attribute?

Extended Attributes are name/value pairs. The names areUnicode characters of less than 128 bytes. (they are probably encoded in utf-8 or utf-16) The values can be text or binary, recommended to be less than 4 kibibit.

There's no standardize structure for names. Anyone can add a attribute named for example “xyz” to a particular file. Apple recommends the use of reverse DNS naming scheme to prevent name clash. This is the same scheme adopted by Java. Example:

If you have a domain name, such as “example.com” then your attribute name for file of author can be “com.example.author”. If you don't have a domain name, just make sure the name is not likely used by others.

If you have a question, put $5 at patreon and message me.

5
369.3 MB

Developer: Ndemic Creations

Release date: 2016

Version: 1.0 + Full Game

Interface language: Russian, English

Voice Language: Russian, English

Tablet: Not required

Platform: Intel only

To bookmarks

Plague Inc: Evolved is a real-time strategy simulation video game, developed and published by UK-based independent games studio Ndemic Creations. The game is a remake of the developer's previous game, Plague Inc., for PC and consoles. In the game, the player creates and evolves a pathogen in an effort to destroy the world with a deadly plague. The game uses an epidemic model with a complex and realistic set of variables to simulate the spread and severity of the plague and has attracted the attention of the CDC.

Gameplay

The core game of Plague Inc: Evolved is the same as Plague Inc. - the player controls a plague which has infected patient zero. The player must infect and kill the whole world population by evolving the plague and adapting to various environments. However, there is a time pressure to complete the game before humans, the opponent, develop a cure for the plague. The developer has said that the game was inspired by Pandemic 2, a browser-based Flash game released in 2008 by Dark Realm Studios.

The game series has been praised by the Centers for Disease Control and Prevention who said 'it uses a non-traditional route to raise public awareness on epidemiology, disease transmission, and diseases/pandemic information. The game creates a compelling world that engages the public on serious public health topics'. The developer of the game was invited to give a talk at the CDC.

It also includes all of the expansion packs from the original Plague Inc. game.

Development and release

Plague Inc: Evolved went live on Steam Early Access on 20 February 2014.

Mac Os Versions

Screenshots from the game Plague Inc: Evolved

System requirements Plague Inc: Evolved for Mac Os:

  • OS: OS X 10.6
  • Processor: 2.0 GHz Dual Core Processor
  • RAM: 1 GB RAM
  • Video card: Intel HD Graphics 4000 or greater. Unsupported video chipsets: Intel HD Graphics 3000, Intel GMA X3100, Intel GMA 950. This game is not supported on volumes formatted as Mac OS Extended Journaled (Case Sensitive)
  • Disk space: 500 MB
  1. To mount
  2. Rewrite game into Programs
  3. Play

Puggle Plague Mac Os X


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