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landing/docs/.recycle/.recycle2/069-the-bzip2-command.md

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+# The `bzip2` command
+
+The `bzip2` command lets you compress and decompress the files i.e. it helps in binding the files into a single file which takes less storage space as the original file use to take.
+
+### Syntax:
+
+```
+bzip2 [OPTIONS] filenames ...
+```
+
+#### Note : Each file is replaced by a compressed version of itself, with the name original name of the file followed by extension bz2.
+
+### Options and their Functionalities:
+
+|**Option**   |**Alias**   |**Description**   |
+|:---|:---|:---|
+|`-d`|`--decompress`|to decompress compressed file|
+|`-f`|`--force`|to force overwrite an existing output file|
+|`-h`|`--help`|to display the help message and exit|
+|`-k`|`--keep`|to enable file compression, doesn't deletes the original input file|
+|`-L`|`--license`|to display the license terms and conditions|
+|`-q`|`--quiet`|to suppress non-essential warning messages|
+|`-t`|`--test`|to check integrity of the specified .bz2 file, but don't want to decompress them|
+|`-v`|`--erbose`|to display details for each compression operation|
+|`-V`|`--version`|to display the software version|
+|`-z`|`--compress`|to enable file compression, but deletes the original input file|
+
+
+> #### By default, when bzip2 compresses a file, it deletes the original (or input) file. However, if you don't want that to happen, use the -k command line option.
+
+### Examples:
+
+1. To force compression:
+```
+bzip2 -z input.txt
+```
+**Note: This option deletes the original file also**
+
+2. To force compression and also retain original input file:
+```
+bzip2 -k input.txt
+```
+
+3. To force decompression: 
+```
+bzip2 -d input.txt.bz2
+```
+
+4. To test integrity of compressed file: 
+```
+bzip2 -t input.txt.bz2
+```
+
+5. To show the compression ratio for each file processed:
+``` 
+bzip2 -v input.txt
+```