5
votes
1answer
137 views

Command-line incremental backup tools

Which command line backup tool(s) has the best compression ratio? I want to backup my entire system, including media files, text files etc. I found this list on the Arch wiki site but I don't know ...
1
vote
2answers
594 views

Having trouble uncompressing a few files [duplicate]

So I have to uncompress 4 different files. When I do file file1 file file2 file file3 file file4 for example, different messages are displayed. For example one starts like "gzip compressed data, ...
1
vote
3answers
3k views

Determine whether a particular file is compressed

How to know in Linux whether a particular file is compressed or not using a command?
0
votes
1answer
2k views

Uncompress txt.gz files [closed]

Trying to uncompress txt.gz files on Linux. gzip, gunzip, unzip are not recognizing the file format. The archive is guaranteed to be not corrupted.
2
votes
1answer
67 views

Changing compression in memory

I have some large files that I need to change the compression type of for input to a program--I need to unrar them and then gzip (or bzip2) them. However, they're highly compressed files and I don't ...
18
votes
5answers
15k views

Is it possible to mount a gzip compressed dd image on the fly?

I like create an image backup for the first time I'm backing up a system. After this first time I use rsync to do incremental backups. My usual image backup is as follows: Mount and zero out the ...
7
votes
6answers
200 views

Is there any program to provide a consistent interface across multiple archive types?

At the moment, if I download a compressed file, it could be any of a .tar.gz archive, a tar.bz2 arhive, a .zip archive or a .gz archive. And each time I do so, I have to remember what the command line ...