# File Compression

# Compression and Decompressing

# Get file extension
```
file unknownfiletype.bin
```
```
unknownfiletype.bin: gzip compressed data, was “data2.bin”, last modified: Thu May 7 18:14:30 2020, max compression, from Unix
```

# Decompress

## Decompress Tarball
```
tar xf file3.tar
```
### Extract .tar.gz file to current working directory and print output:
```
tar -xvf file4.tar.gz
```
   
## Decompress gzip
```
gzip -d file.gz
```
 
## Decompress bzip2
```
bzip2 -d file2.bz2
```

## Decompress .tar.gz file with gzip:
```
gzip -d file5.tar
```

# compress

## using tar
```
tar czf <archive name>.tar.gz <file(s) or location(s)>
```

## Using gzip
### Compressing Files with gzip
```
gzip filename
```
### Compressing Files with gzip. Keep the original file
```
gzip -k filename
```
### Compress multiple files
```
gzip file1 file2 file3
```
## using bzip2
```
bzip2 -z file.txt
```



##