tar -zxvf filename.tar.gz
(=tape archiver) Untar a tarred and compressed tarball (*.tar.gz or *.tgz) that you downloaded from the Internet.
tar -xvf filename.tar
Untar a tarred but uncompressed tarball (*.tar).
tar czvpf /var/backups/mybackup.tar.gz /home
cd /; tar xzvpf /var/backups/mybackup.tar.gz '*/myfile.rtf'
(as root) Create a backup of /home to a compressed file. The second command shows how to restore a file from the backup. This won't include "dotfiles" (the files or directories with names starting with a dot) in my tarball. To tar everything, I would do:
tar cvzf filename.tgz * .[a-zA-Z]*
Decompress a zipped file (*.gz" or *.z). Use gzip (also zip or compress) if you wanted to compress files to this file format. Note the funny pronunciation of "gun zip".
zcat filename.gz | more
(=zip cat) Display the contents of a compressed file. Other utilities for operating on compressed files without prior decompression are also available: zless, zmore, zgrep, ...
(=big unzip) Decompress a file (*.bz2) zipped with bzip2 compression utility. Used for big files.
Decompress a file (*.zip) zipped with a compression utility compatible with PKZIP for DOS.
zip filename.zip filename1 filename2
Compress two files "filename1" and "filename2" to a zip archive called "filename.zip".
unarj e filename.arj
Extract the content of an *.arj archive.
lha e filename.lha
Extract the content of an lharc archive.
uudecode -o outputfile filename
Decode a file encoded with uuencode. uu-encoded files are typically used for transfer of non-text files in e-mail (uuencode transforms any file into an ASCII file).
cat filename | mimencode -o filename.mime
cat filename.mime |mimencode -u -o filname
(2 commands.) Encode and then decode back a file to/from the mail-oriented Internet standard for 7-bit data transfer called "mime". On older distributions, the command that does the work (mimencode) is called mmencode. Usually, you don't have to bother with these commands, your mailer should do the mime encoding/decoding in a transparent way.
ar -x my_archive.a file1 file2
(=archiver). Extract files file1 and file2 from an archive called my_archive.a. The archiver utility ar is mostly used for holding libraries.
(in X terminal). A GUI (Qt-based) archiver application. Perhaps that's everything what you need to manage your compressed files. An alternative is gnozip.
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