I assume most of us are familiar with creating tar, tar.gz and tar.bz2 files. But do you know how to learn what is inside that tar file without extracting it? If your answer is "No" then you have come to the right place. The following commands can be used to list the contents of a tar, tar.gz, tar.bz2 files. These commands becomes handy when you have multiple tar files and if you are searching for a particular file or folder. To list the contents of a tar file : tar -tvf filename.tar To list the contents of a tar.gz file :
If you frequently have to set up git version control system for existing projects then you would very likely run into the problem of having to remove files, which should not have been in git, from git after they were added. Running a git rm will only delete the file from the head and the file would still remain in the repository. This may be alright for small files but this could be troublesome for large files as these would unnecessarily bloat the git repository. But don't worry git being a 'swiss army knife' of version control systems there is a solution to delete files permanently from both your local and remote git repositories.