Have a look at the second field (2.1 in the mac file and 3.1 in the win file). This is the ZIP archive format version that the file was compressed against. The java.util.zip implementation only supports version 2.50 and higher of the ZIP file format (See this StackOverflow).
creating a zip file mac lion
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This offers a simple way to protect a zip archive file from unwanted viewing access, as when a user attempts to decompress the contents of the zip archive, the correct password must be entered in order for the archive to extract.
Despite being created at the command line, you do not need to unzip the file from the terminal, it can be expanded from the Mac OS X Finder or within Windows using standard unzipping apps. Just double click on the file, then enter the password, and it will decompress. You can also decompress the zip archive from the command line with:
Keep in mind that password protected zip files are not encrypted with some super strong deep encryption method, so if you want a more secure file encryption, you may want to pass a regular zip file through openSSL encryption with des3 or something similar to really make the file secure.
If you want to create encrypted zip files using the much more secure AES-256 encryption algorithm, you need to use third party software, such as BetterZip. (On Windows you can use WinZip, WinRAR, 7-Zip etc).
ZIP is a generic archive format that is readable by OS X, Windows, Linux, and many other platforms. An archive made in one operating system is able to open in other operating systems, whether it is password protected or not. Be sure the file did not get corrupted in the transfer process, and be sure to use a compatible zip archive opener utility (on Windows you can try something like WinZIP if you have troubles)
on Snow Leopard, zip -e works fine, but double clicking to decrypt does not, I get a not permitted error. Meanwhile on my Lion machine I get a file of zero length when Unarchiver is finished ie only the encryption part of this is working
Since macOS is based on Unix there are a number of ways to compress files and folders within the filing system using Unix based application code, below are a few options using the Terminal or command line interface (cli). The default command line application interface in macOS is the Terminal and is stored in /Applications/Utilities.
File and folder compression saves on file size and ensures the contents are captured and delivered or stored as one monolithic file. A compressed file which contains files and folders is generally referred to as an archive. Here are some built-in compression applications you can use including zip, tar, gz, bz2, gz and dmg.
The resulting Archive.zip does not contain a root level folder name "Archive". It's only when you uncompress it by double-clicking that this folder is created. To confirm, try unzip -tv Archive.zip. So it's Archive Utility that is creating this folder when you uncompress.
I have some software loaded on sites where they upload a zip file. The software unzips the individual files to its generated directory and points the image compression and resizing to that new directory. It worked great till recently when all of a sudden when we compressed files the zip extracted to an archive folder on the server, the software doesn't work on folders it works on image files. I tried everything and numerous archive apps, I then tried Hamster Archiver. It worked for me, no more does it extract to a new folder. It might help you.Good luck
The Apple GUI method is clean and neat for most folks to use, and the enclosing Archive folder prevents the inadvertent overwriting of files. In your case, you'll have to use the command line in Terminal to do what you want using the commands zip and unzip.
Here's how you can make a zip file archive in Mac OS X. 1. Right-click on the file(s) or folder that you want to zip. 2. On the menu that pops up choose Compress Items. 3. You'll find the new .zip archive in the same folder as the original file(s) or folder.
The __MACOSX folder is created when a Mac user creates and archive (also called a zip file) using the Mac. If the Mac user sends the zip file to another Mac user, the folder will not appear - this is a hidden folder. Many files on the Mac have two parts: a data fork, and a resource fork. The built in zip utility on the Mac sequesters all of the resource forks into this __MACOSX folder when creating a zip archive. For certain files (like some font files), these resource forks are necessary to be left intact. ZipFiles4PC also has an option to preserve the resrouce forks without creating the __MACOSX folder.
When the Mac user sends the zip file to a PC user, however, all of the hidden files are shown. PC users are often confused by these (seemingly superfluous) files and folders. You can use our Zip Files for the PC utility to create zip files that contain neither the __MACOSX folder, nor the .DS_store files! You can download the free trial version today (see the link on the left) or you can buy it now using PayPal.
Note: Some Macs ship with kernels capable of running in 32-bit or 64-bit mode. Even if you see "RELEASE_I386 i386" it may be possible to boot your system into 64-bit mode. To check, run the file command on your /mach_kernel. As you can see, the machine below can run as i386 (32-bit), x86_64 (64-bit), or ppc.
Pre-built Mac OS X profiles are available from volatilityfoundation/profiles Github repository. Copy the individual profiles that you want to activate into your volatility/plugins/overlays/mac folder.
To create a profile, you first need to download the KernelDebugKit for the kernel you want to analyze. This can be downloaded from the Apple Developer's website (click OS X Kernel Debug Kits on the right). This account is free and only requires a valid Email address.
I've downloaded a file to my computer from Dropbox and am now suffering a zip/cpgz cycle!Instead of unzipping the downloaded zip file, my iMac converts it into a cpgz file and when I click to open/unzip with Archive Utility it creates a new zip file.. and so on.
I have the same problem when trying to unzip zip files that were epub files. I use a program called iPackr, which is free through the App Store. The Unarchiver also works. I was never able to find a solution using the native Archive utility.
I have tinkertool and and it has a checkbox to stop creating .DS_STORE files - but they still get created. So that doesn't work. I've seen apps on the store that let me clean a mounted usb stick and so on - but this is absolutely no help when ftp'ing to a server, or when compressing a folder to email. They still end up in the zip. This is exactly the opposite of useful behaviour.
You cannot stop them. The "._" files are the resource forks for files that have resource forks (and maybe now ACL's). Resource forks are hidden in the HFS+ file system (although if a file has one it would be in filename/rsrc). In a non-HFS file system they have to be made separate files. Hence the naming convention ._filename.
BetterZip allows you to create presets for creating and extracting archives. Presets collect all settings that can be applied to an archive, from the destination folder and archive format, to passwords and even a script to execute after the operation completed.
BetterZip can filter out unwanted files during archive extraction. No more Thumbs.db and other unwanted stuff from other systems! It can also prevent files from being put into your archive in the first place. You don't want your hidden version control folders or backup files in the archive.
Mac OS X's built-in compress function makes zip files that contains Mac specific information that,when extracted on a PC, looks like garbage. YemuZip lets you choose between a PC-friendlyformat and a Mac format that preserve all the Mac-specific metadata.
YemuZip remembers your recently chosen destination folders. This allowsyou to easily output the zip file to your iCloud Drive or Dropbox, for example.YemuZip can also place the resulting zip file directly in an email.
I have a number of clients on PCs who get zip files from me regularly. Once I started using YemuZip it was nice to stop getting those emails asking "What are the extra files? Am I missing something?". Now they just get what they need.[5]
The City Owned and Leased Properties (COLP) is available as a file geodatabase, shapefile, csv and an excel spreadsheet. datasets include a file geodatabase and a spreadsheet. COLP is a list of uses on city owned and leased properties that includes geographic information as well as the type of use, agency and other related information. The datasets are updated biannually.
Community Development Block Grant (CDBG) eligible and ineligible census tracts. The U.S. Department of Housing and Urban Development requires local municipalities that receive CDBG formula entitlement funds to use the 2011-2015 ACS LMISD data file to determine where CDBG funds may be used for activities that are available to all the residents in a particular area. A CD-eligible census tract refers to 2010 census tracts where the area is primarily residential and at least 51.0% of the residents are low- and moderate-income as per the LMISD data file. For New York City, a primarily residential area is defined as one where at least 50.0% of the total built floor area is residential as determined by PLUTO 18v2.1. Low- and moderate-income persons are defined as persons living in households with incomes below 80 percent of the area median household income (AMI). The New York Primary Metropolitan Statistical Area's AMI was $70,300 for a 4-person family at the release of the 2011-2015 American Community Survey.
The PAD (Property Address Directory) file contains additional geographic information at the tax lot level not found in the PLUTO files. This data includes alias addresses and Building Identification Numbers (BINs). It consists of two ASCII, comma delimited files: tax lot file and an address file. 2ff7e9595c
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