- #.dmg vs .tar.gz install#
- #.dmg vs .tar.gz archive#
- #.dmg vs .tar.gz full#
- #.dmg vs .tar.gz software#
#.dmg vs .tar.gz full#
The P flag saves files with full paths, so - /home/username vs home/username (notice the leading forward slash).ħz compression offers greater compression, but does not preserve file ownership, permissions, etc. Tar xpPkvf backup.tar #extracting a tar with permissions(p) and not extracting(k) files that exist on disk already tar upPvf backup.tar folder #updating a tar file Then to update, replace 'c' with 'u' and when unpacking, you can use 'k' to preserve files that already exist.
If you want to have a tar file you can "update" package the tar using the P flag: tar cpPvf backup.tar folder Tar cjpvf 2 folder #backup.tbz2 works too tar czpvf folder #backup.tgz is acceptable as well Use the z flag for gzip compression or the j flag for bzip compression. To preserve file permissions, use tar: tar cpvf backup.tar folder When I talk about archiving, I mean preserving permissions, directory structure, etc.Ĭompression may ignore most of that and just get your files in a smaller packages. dmg files.It depends on what you are looking for. See Disk Utility for macOS Sierra: Create a disk image using Disk Utility for more info on creating encrypted. Useful if you want to protect some files, but not encrypt your entire main hard disk. dmg files other than SoftwareĪnother useful feature about DMGs (since you asked about other uses) is the ability to create an encrypted storage space and store files in that protected space. These resources include icons, graphics and localisation files such as en.lproj. In addition to the the binary (located at. Why doesn't it come as a simple binary file or I don't know what?Ī Mac application is more than just a binary. dmgs will mount in the filesystem and then the.
#.dmg vs .tar.gz archive#
They also force the user to select where they would like an application when you unzip an archive the contents will typically be extracted to wherever the archive was located.
dmg over an archive type is branding.dmgs can be given custom icons, custom background images and the layout of the contents can be fixed.dmgs are commonly also read only so the contents will remain exactly as the developer intended it. In addition to encryption and EULAs on opening, the benefit of a. It is commonly copied to /Applications for convenience. app bundle it is self contained and can be run by double clicking it. dmg is about packaging rather than installation. dmg is just a virtual hard drive not an installer.
#.dmg vs .tar.gz software#
What is the logic for which software needs to be installed with such a "virtual disk"? dmg) or a traditional archive format such as. These can be packaged in an OS X/macOS disk image (. Only command line tools are available as plain binaries which would then be copied to somewhere in the user's PATH such as /usr/local/bin. pkg installer which is a program that installs applications in a similar way to Windows. app application bundle (essentially a folder containing all the program resources) or as a. Zip (commonly, Linux versions sometimes support permissions) is stupid and only supports bundling files and folders and nothing else. Really the key feature is that they support the full HFS+ filesystem.
#.dmg vs .tar.gz install#
If you have to do absolute path stuff for installation (which tbh you shouldn’t) you can prepare the DMG, mark it as read-only and use that to install
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