Unzip Large Files Mac
Jan 25, 2021 You can uncompress.ar,.bz2,.cpio,.rar,.tar,.tgz, or.zip files in the Files app. Learn other ways you can use the Files app. If a file is too large to send as a regular attachment, you can also try using Mail Drop. Want to share multiple files with friends or colleagues? Try sharing a folder in iCloud Drive. Zipping is a common method of archiving large files. The size of zipped files is considerably less than unzipped files, so these files are convenient for storage and file sharing. A zipped file is also able to protect sensitive data and can be sent by e-mail easily. Sometimes you will have a very large file over 4 gigabytes that needs to be.
The Third Most Portable Program in the World!*
UnZip is an extraction utility for archives compressed in .zip format (also called 'zipfiles'). Although highly compatible both with PKWARE's PKZIP and PKUNZIP utilities for MS-DOS and with Info-ZIP's own Zip program, our primary objectives have been portability and non-MSDOS functionality.
UnZip will list, test, or extract files from a .zip archive, commonly found on MS-DOS systems. The default behavior (with no options) is to extract into the current directory (and subdirectories below it) all files from the specified zipfile. A companion program, Zip, creates .zip archives; both programs are compatible with archives created by PKZIP and PKUNZIP for MS-DOS, but in many cases the program options or default behaviors differ. (For example, UnZip recreates the stored directory structure by default; PKUNZIP unpacks all files in the current directory by default.)
| The Unix port of UnZip 5.52 is reported to have a race-condition vulnerability, whereby a local attacker could change the permissions of the user's files during unpacking. (This has been assigned CVE ID CAN-2005-2475.) |
| All versions of UnZip through 5.50 have a number of directory-traversal vulnerabilities, and version 5.50 also has a textmode>FAQ page for details. |
Contents of This Page:
Latest Release
New features in UnZip 6.0, released 20 April 2009:
- Support PKWARE ZIP64 extensions, allowing Zip archives and Zip archive entries larger than 4 GiBytes and more than 65536 entries within a single Zip archive. This support is currently only available for Unix, OpenVMS and Win32/Win64.
- Support for bzip2 compression method.
- Support for UTF-8 encoded entry names, both through PKWARE's 'General Purpose Flags Bit 11' indicator and Info-ZIP's new 'up' unicode path extra field. (Currently, on Windows the UTF-8 handling is limited to the character subset contained in the configured non-unicode 'system code page'.)
- Added 'wrong implementation used' warning to error messages of the MSDOS port when used under Win32, in an attempt to reduce false bug reports.
- Fixed 'Time of Creation/Time of Use' vulnerability when setting attributes of extracted files, for Unix and Unix-like ports.
- Fixed memory leak when processing invalid deflated data.
- Fixed long-standing bug in unshrink (partial_clear), added boundary checks against invalid compressed data.
- On Unix, keep inherited SGID attribute bit for extracted directories unless restoration of owner/group id or SUID/SGID/Tacky attributes was requested.
- On Unix, allow extracted filenames to contain embedded control characters when explicitly requested by specifying the new command line option '-^'.
- On Unix, support restoration of symbolic link attributes.
- On Unix, support restoration of 32-bit UID/GID data using the new 'ux' IZUNIX3 extra field introduced with Zip 3.0.
- Support for ODS5 extended filename syntax on new OpenVMS systems.
- Support symbolic links zipped up on VMS.
- On VMS (only 8.x or better), support symbolic link creation.
- On VMS, support option to create converted text files in Stream_LF format.
- New -D option to suppress restoration of timestamps for extracted directory entries (on those ports that support setting of directory timestamps). By specifying '-DD', this new option also allows to suppress timestamp restoration for ALL extracted files on all UnZip ports which support restoration of timestamps. On VMS, the default behaviour is now to skip restoration of directory timestamps; here, '--D' restores ALL timestamps, '-D' restores none.
- On OS/2, Win32, and Unix, the (previously optional) feature UNIXBACKUP to allow saving backup copies of overwritten files on extraction is now enabled by default.
For the UnZip 6.0 release, we want to give special credit to Myles Bennet, who started the job of supporting ZIP64 extensions and Large-File (> 2GiB) and provided a first (alpha-state) port.
Future Plans
The next major release will be version 6.1.
It is questionable whether there will ever be a subsequent major release, but on the off-chance that there is, it will probably be version 7.0, perhaps with a much-improved and unified DLL interface and possibly better file system support for the MVS and VM/CMS ports, assuming that doesn't happen sooner. And then perhaps version 8.0 will be released, with full filter support (that is, able to read and extract a zipfile from standard input like fUnZip does now), but now we're really dreaming. While we're at it, though, a tcl/tk or Python/PIL graphical interface might be nice--but see the related-links section for a pointer to TkZip, which already exists (and has for a long time).
Downloads
Ready-to-run binary versions of UnZip are available for numerous platforms and operating systems, but for most systems, only older binaries are available. The three primary CTAN sites (and their many mirrors) contain a snapshot of these binaries, current as of roughly 2004 (i.e., UnZip 5.51 and Zip 2.3 timeframe):
- tug.ctan.org (US) [FROZEN]
- ftp.tex.ac.uk (UK) [FROZEN]
- ftp.dante.de (Germany) [FROZEN]
Here's a quick guide to the directory structure of the old ftp site:
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As of 2009, the latest sources and binaries for Zip, UnZip, WiZ and MacZip (including encryption code) are available at ftp.info-zip.org and Info-ZIP's SourceForge site.
Other Stuff
Technical information on zipfiles and other assorted Info-ZIP documentation is available from:
- www.info-zip.org (Kentucky, US) or local mirror
Technical information and documentation for deflate/inflate and zlib are available from:
- zlib home page
Further information on where to (possibly) find Info-ZIP stuff is available in:
- the Info-ZIP 'WHERE' file (ASCII text)
Information about commercial use, modification and redistribution of Zip, UnZip, WiZ and MacZip is available in:
- the Info-ZIP license
It's basically BSD-like, but note that there may still be a few remaining files in some of the packages that are covered by different licenses.
Return to the Info-ZIP Home Page.
Last updated 10 September 2009. Web page occasionally maintained by Hunter Goatley. Please direct Info-ZIP queries (availability, ports, bugs, etc.) to Zip-Bug . * 'Hello, world' would be the first, of course. C-Kermit is probably second. (The Linux kernel may very well be third...)| Copyright © 1995-2008 Greg Roelofs. UnZip is maintained by Christian Spieler. |
On iPhone or iPod touch
If you need to share a large file or multiple files, a compressed file takes up less storage space and can be sent faster because of its smaller file size. Learn how to compress or uncompress files on your iPhone or iPod touch.
How to create a ZIP file on your iPhone or iPod touch
- Open the Files app, then choose a location like On My iPhone or iCloud Drive.
- Tap the more button , then tap Select. Choose one or more files.
- Tap the more button in the lower right, then tap Compress.
If you selected one file, a ZIP file with the same filename saves to that folder. If you selected multiple files, a ZIP archive named Archive.zip saves to that folder. To change its name, touch and hold on the ZIP archive, then select Rename.
How to open a ZIP file on your iPhone or iPod touch
Unzip Large Files Mac
- Open the Files app, then find the ZIP file or archive you want to uncompress.
- Tap the ZIP file or archive.
- A folder is created containing the files. To change its name, touch and hold on the folder, then tap Rename.
- Tap to open the folder.
On iPad
If you need to share a large file or multiple files, a compressed file takes up less storage space and can be sent faster because of its smaller file size. Learn how to compress or uncompress files on your iPad.
How to create a ZIP file on your iPad
- Open the Files app, then choose a location like On My iPhone or iCloud Drive.
- Tap Select, then choose one or more files.
- Tap More, then tap Compress.
- If you selected one file, a ZIP file with the same filename saves to that folder. If you selected multiple files, a ZIP archive named Archive.zip saves to that folder. To change its name, touch and hold on the ZIP archive, then select Rename.
Unzip Large Files Mac Os
How to open a ZIP file on your iPad
- Open the Files app, then find the ZIP file or archive you want to uncompress.
- Tap the ZIP file or archive.
- A folder is created containing the files. To change its name, touch and hold on the folder, then tap Rename.
Need more help?
Yahoo Email Large Files
- You can uncompress .ar, .bz2, .cpio, .rar, .tar, .tgz, or .zip files in the Files app.
- Learn other ways you can use the Files app.
- If a file is too large to send as a regular attachment, you can also try using Mail Drop.
- Want to share multiple files with friends or colleagues? Try sharing a folder in iCloud Drive.