tar.gz Archive
ArchivesTAR.GZ bundles files with TAR and compresses the archive with gzip. Some tools leave a TAR after decompression; extract that archive too. Check the listing and destination before using its contents.
- What it is used for
- Bundling and compressing directory contents
- What the file contains
- Binary data
All sections, questions and sources
Content reviewed： · Editor：Kai
First: choose for your purpose
TAR.GZ is a TAR archive compressed by gzip. Removing gzip leaves TAR, which still needs extraction. Permissions/links can matter; renaming to ZIP is not equivalent.
Opening steps
Choose your environment or purpose to see its steps.
Menu labels and support vary by app, OS and version. Preserve the original before making changes.
Troubleshooting by symptom
- Only TAR appears: decompression completed, but archive extraction remains.
- Extraction error: check download completion, published checksums and free space.
- Changed permissions/links: inspect operating-system and extractor support.
- Only TAR appears: gzip was removed; inspect/extract the TAR layer.
- Unexpected end: inspect incomplete/damaged downloads and compare published size/checksum if available.
- Permissions differ on Windows: inspect filesystem/tool differences; Unix executable bits may not survive identically.
TAR.GZ → ZIP
- Extract separately and verify directory structure and file counts.
- Package needed files as ZIP and inspect the result.
- Compare final count, structure, permissions, links and required content.
ZIP may not preserve Unix ownership, permissions and symbolic links equivalently.
TAR and gzip have separate roles
TAR bundles files and gzip compresses that stream. TGZ commonly denotes the same combination, without proving validity.
Extract and re-archive for another format; ZIP renaming changes neither container nor compression.
Source for these steps：GNU Project · GNU tar — Creating and Reading Compressed Archives
Permissions, links and structure
Backups/distributions can depend on timestamps, permissions and symbolic links; inspect changes across OS/ZIP conversion.
Retain the source and verify required contents; compression size alone does not establish preservation.
Source for these steps：Apple · Compress and uncompress file archives in Terminal on Mac
Related-format differences
| Format / choice | Purpose and preserved information |
|---|---|
| TAR.GZ / TGZ | TAR stream compressed with gzip; extract both layers. |
| GZ | Gzip stream not necessarily containing multiple files. |
| ZIP | Different archive structure requiring re-archiving. |
Handling and security
Avoid extracting directly over existing data; inspect overwrites, absolute paths, links and excessive expansion.
Questions and answers
Why two suffixes?
They indicate TAR packaging followed by gzip compression.
Does a remaining TAR mean failure?
Some tools require a separate extraction step.
Can I rename it ZIP?
No; extract and repackage it.
Is extraction complete when TAR appears?
You still need TAR extraction to obtain its files.
Will ZIP preserve identical Unix permissions?
It depends on tools/environment; verify required attributes.
Format facts: name, steward and MIME type
- Formal name
- TAR archive compressed with gzip
- Steward / specification
- TAR / gzip implementations
- MIME type
- Depends on the producer or server; an extension alone does not establish a MIME type.
Primary and official sources
- Project documentationGNU tar — Creating and Reading Compressed Archives
Explains compressed TAR archives.
GNU Project · Link checked： - Software documentation7-Zip — Supported formats
Lists supported archive and disk-image formats.
Igor Pavlov / 7-Zip · Link checked： - Platform documentationCompress and uncompress file archives in Terminal on Mac
Handling compressed TAR files in Finder and Terminal.
Apple · Link checked：