Term
| Instead of compression, what does tar provide |
|
Definition
| tar is a file roller - rolls together multiple files |
|
|
Term
|
Definition
gzip compresses or decompresses files
gunzip - decompresses files |
|
|
Term
Where does gzip output go by default (without redirection)
What happens when you enter "gzip filename"
|
|
Definition
STDOUT - needs redirection ex: gzip -c source.txt > source.txt.gz
filename is compressed into filename.gz
|
|
|
Term
| How do you find out if gzip was successful? |
|
Definition
echo the last exit status after running gzip - exit status of 0 is successful:
$echo $? |
|
|
Term
| create a gzip file from source.txt |
|
Definition
| gzip -vc source.txt > source.txt.gz |
|
|
Term
| find out what type of file foo.bar is? |
|
Definition
|
|
Term
| decompress source.txt.gz - two answers |
|
Definition
gunzip source.txt.gz
gzip -d source.txt.gz |
|
|
Term
read source.txt.gz without decompressing
-two answers |
|
Definition
zcat source.txt.gz
less source.txt.gz |
|
|
Term
| Where is bzip2 usually better than gzip |
|
Definition
| on files larger than 5MB it tends to get better compression |
|
|
Term
| compress source.txt using bzip2 compression, use verbose |
|
Definition
| bzip2 -vc source.txt > source.txt.bz2 |
|
|
Term
view the contents of source.txt.bz2
- two answers |
|
Definition
bzcat source.txt.bz2
less source.txt.bz2
most source.txt.bz2 |
|
|
Term
|
Definition
zip source.txt.zip source.txt
as in: zip (destination) (source) |
|
|
Term
| put all the files in directory FooDir into a tarball |
|
Definition
| tar -cvf FooDir.tar ./FooDir |
|
|
Term
| roll up and compress directory FooDir use gzip compression |
|
Definition
| tar -czvf FooDir.tar.gz ./FooDir |
|
|
Term
| What does "tar -czvf Foo.tar.gz Foo" mean |
|
Definition
| tar (c)create, (z)gzip compress, (v)verbose, (f)specify file archive as Foo.tar.gz using Foo as the source |
|
|
Term
| create a Bzip2 compressed tar file out of FooDir directory |
|
Definition
| tar -cjvf FooDir.tar.bz2 ./FooDir |
|
|
Term
| decompress and unroll FooDir.tar.bz2 |
|
Definition
tar -xvf FooDir.tar.bz2
-x, for extract |
|
|
Term
|
Definition
|
|
