| 
5.08 De&Compression Utilities
| COMPRESSION
TOOL |
UNCOMPRESSION
TOOL |
EXTENSION
USED |
| bkzip2 |
bkunzip2 |
.bz2 |
| gzip |
gunzip2 |
.gz |
| zip |
unzip |
.zip |
bzip2 - compresses
a file
Options:
-c writes output to standard
output keeping original files unchanged
-d decompression
-f force
-k keep
-v verbose
-V version
bunzip2 and bzcat - decompress
a file
Options:
-c causes gunzip to send
its output through the pipe instead of creating file
gzip - compresses
a file #(is older and less efficient than bzip2)
gunzip and zcat - decompress
a file
tar - packs and unpacks files
Options:
-c create
-v verbose
-f write to or read from
a file
-t display a table of
contents for the archive
-x extracts files from
a tar archive
-z this option causes
tar to call gunzip (or gzip when creating an archive) directory
-j this option simillar
manner calls bzip2 or bunzip2
Example:
|
[bash]$ tar
-cvf all.tar foo1 foo2 foo3
[bash]$ tar
-tvf all.tar
[bash]$ tar
–xvzf foo.tar.gz #(pack/unpack decompress/compress) |
| 
