Title Developer/publisher Release date Genre License Mac OS versions A-10 Attack! Parsoft Interactive 1995 Flight simulator Abandonware 7.5–9.2.2. The actual developer of this free software for Mac is MTSW Studio. The latest version of the program can be downloaded for Mac OS X 10.7 or later. The following version: 1.0 is the most frequently downloaded one by the program users. IScan Fly for Mac is categorized as System Tools.
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- Macintosh Operating Systems - Wikipedia
To get the latest features and maintain the security, stability, compatibility, and performance of your Mac, it's important to keep your software up to date. Apple recommends that you always use the latest macOS that is compatible with your Mac.
Learn how to upgrade to macOS Big Sur, the latest version of macOS.
Check compatibility
If a macOS installer can't be used on your Mac, the installer will let you know. For example, it might say that it's too old to be opened on this version of macOS, or that your Mac doesn't have enough free storage space for the installation.
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To confirm compatibility before downloading, check the minimum requirements for macOS Catalina, Mojave, High Sierra, Sierra, El Capitan, or Yosemite. You can also find compatibility information on the product-ID page for MacBook Pro, MacBook Air, MacBook, iMac, Mac mini, or Mac Pro.
Make a backup
Before installing, it’s a good idea to back up your Mac. Time Machine makes it simple, and other backup methods are also available. Learn how to back up your Mac.
Download macOS
It takes time to download and install macOS, so make sure that you're plugged into AC power and have a reliable internet connection.
Hexterio mac os. Safari uses these links to find the old installers in the App Store. After downloading from the App Store, the installer opens automatically.
- macOS Catalina 10.15 can upgrade Mojave, High Sierra, Sierra, El Capitan, Yosemite, Mavericks
- macOS Mojave 10.14 can upgrade High Sierra, Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion
- macOS High Sierra 10.13 can upgrade Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion
Safari downloads the following older installers as a disk image named InstallOS.dmg or InstallMacOSX.dmg. Open the disk image, then open the .pkg installer inside the disk image. It installs an app named Install [Version Name]. Open that app from your Applications folder to begin installing the operating system.
- macOS Sierra 10.12 can upgrade El Capitan, Yosemite, Mavericks, Mountain Lion, or Lion
- OS X El Capitan 10.11 can upgrade Yosemite, Mavericks, Mountain Lion, Lion, or Snow Leopard
- OS X Yosemite 10.10can upgrade Mavericks, Mountain Lion, Lion, or Snow Leopard
Install macOS
Follow the onscreen instructions in the installer. It might be easiest to begin installation in the evening so that it can complete overnight, if needed.
If the installer asks for permission to install a helper tool, enter the administrator name and password that you use to log in to your Mac, then click Add Helper.
Please allow installation to complete without putting your Mac to sleep or closing its lid. Your Mac might restart, show a progress bar, or show a blank screen several times as it installs macOS and related firmware updates.
Learn more
You might also be able to use macOS Recovery to reinstall the macOS you're using now, upgrade to the latest compatible macOS, or install the macOS that came with your Mac.
Endless gobblet mac os. Command-line enthusiasts know that if you can do something in the regular Mac interface, you can usually do it faster using Terminal. But as of Mac OS X 10.4.6, Terminal also lets you perform a feat that previously required add-on software. Using a hidden command, you can resize disk partitions on-the-fly, without losing data.
This command lets you change the size of an Intel Mac’s partitions, or of external disks connected to that Mac, while the data remains untouched—a job that used to require software such as Coriolis Systems’ $45 iPartition. The addition of this feature is a boon to anyone who has ever split up a disk, realized that one partition was too small, and then suffered through backing up, repartitioning, and copying data back to the drive once again. (For more information about partitioning, see Multiply Your Drive.) Of course, you should always back up data before messing with your disk, but if all works as planned, your backup will now just be a safety net.
What’s the magic command? It’s a function of the
command called . It’s so secret that it doesn’t even display in the appropriate page. However, by typing in Terminal (/Applications/Utilities), you’ll get an overview of the command and its syntax.Note that this command works only on Intel Macs with hard disks formatted using the GPT (GUID Partition Table) format with a journaled Hierarchical File System Plus (HFS+) file system. This is the default for Intel Macs’ hard disks, but you can also format an external drive in this manner through Disk Utility (/Applications/Utilities).
Gather info
To use the
command, you need to get some information: you must be able to specify which partition you want to resize. You also need to know the partition’s size limitations, since it must be big enough to hold data already on the disk.To find the partition’s name, type
in Terminal. Press return and you’ll see a list of all the disks on your Mac (see “Particular Partitions”). The one labeled /dev/disk0 is your boot disk. If you have other disks, they’re named disk1, disk2, and so on. Look under the Identifier header for the names of the disk’s partitions; for example, disk2s2. (Ignore any partitions labeled GUID_partition_scheme or EFI.)Now you need to find out what size your new partition can be. Run this command:
, replacing disk_identifier with your partition’s identifier. This will return the current size of the partition, as well as the minimum and maximum sizes you can use. For example:Compose your command
Now that you know the disk’s name and size limits, prepare your command. It should follow this basic model:
The first part of the command is, of course, the command itself:
. Follow that with the identifier and size of the partition you’d like to split. Type in the size you want this partition to be, not what it currently is. So, for example, if you want the first partition to be 100GB, specify . (Notice that you drop the B from the abbreviation for gigabyteA Very 3D Christmas Screen Saver (OS X) - Free Download And ..
; you’d do the same for megabyte ). Finally, specify the format, name of your choosing, and size for the partition you want to create. Want more than two partitions? Just add additional arguments to your command.Although you can resize the first partition, you can’t change its format—that’s why you don’t need to specify one for it. For each additional partition you wish to create, you must specify the format you want it to adopt. For example, type
Macintosh Operating Systems - Wikipedia
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You cannot create a bootable partition for Boot Camp using this command. The
command will resize your disk, partition it, and format it to use MS-DOS, but it can’t install an MBR (Master Boot Record) on the disk. To make a bootable partition for Windows, you must use the Boot Camp Assistant or partition your disk with the command, which will destroy all data on it. (Type in Terminal for more information on this command.)The command in action
Here’s an example of a slightly more complicated
command at work:This command splits a single partition in two. It specifies a size of 100GB for the first partition. Then it creates a new, second partition, named Part2, using the journaled HFS+ format, with a minimum size of 100GB. If there’s more empty space in the partition, the command will use it all. So if you split a 232GB partition, the above command would give you a first partition of 100GB and a second partition of 132GB.
Two Disks, Two Formats You can also use this command to make partitions with different formats if you need more disk space for Boot Camp. Using the previous example of a 232GB hard disk, here’s how you’d redo the partitions to create one partition for Mac OS X and another for Windows:
You now have a 132GB journaled HFS+ partition (for Mac OS X), and a new 100GB FAT32 partition named Windows. Here’s something to keep in mind: Windows ScanDisk, the Windows disk-checking and -repair utility, requires that you make the FAT32 partition no larger than 124.55GB. If you don’t plan to use ScanDisk, don’t worry about this limit.
Reassess Before You Resize If you want to split your Mac partition again, run
to make sure you know which identifier to use—the partition numbers have probably changed. To split the Mac partition from the previous example in two again, for example, you could run this command:You now have two Mac partitions and one FAT32 partition. You cannot resize FAT32 partitions with the
command.The Last Word
The
command occasionally fails. If it encounters any disk problems, it will stop, and you’ll need to run Disk Utility or another disk-maintenance program. If you have any system or special metadata files—which can’t be moved—in the section of your partition that you wish to reallocate, the command will also fail. Unfortunately, the error messages won’t go into any detail.This new command is a work in progress and will probably see changes when OS X 10.5 arrives. In the meantime, with this tool at your disposal you can resize partitions on-the-fly, rather than having to copy data back and forth to an external drive. And you don’t have to spend a dime to do it.
Tip
Before using this technique to resize the partitions on your drive, make sure you’ve backed up everything. It’s all too easy to make a typo, and you can’t undo the command line! (For backup tips, see Better Mac Backups.)
[ Kirk McElhearn is the author of many books, including The Mac OS X Command Line: Unix under the Hood (Sybex, 2004). ]
Particular Partitions: Before you can resize your partitions, you need to know their proper names. Use the diskutil list command to discover those names. Its output shows you the partition identifiers (A).