Table Of Contents

G Commands

gzip

gunzip

G Commands

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The commands in this chapter apply to the Cisco MDS 9000 Family of multilayer directors and fabric switches. All commands are shown here in alphabetical order regardless of command mode. See the "About the CLI Command Modes" section to determine the appropriate mode for each command. For more information, refer to the Cisco MDS 9000 Family Configuration Guide.

•gzip

•gunzip

gzip

To compress (zip) a specified file using LZ77 coding, use the gzip command in EXEC mode.

gzip {bootflash: | slot0: | volatile:} filename

Syntax Description

bootflash:	Source location for the file to be compressed and destination of the compressed file.
slot0:	Source location for the file to be compressed and destination of the compressed file.
volatile:	Source location for the file to be compressed and destination of the compressed file.This is the default directory.
filename	The name of the file to be compressed.

Defaults

None.

Command Modes

EXEC mode.

Command History

This command was introduced in Cisco MDS SAN-OS Release 1.1(1).

Usage Guidelines

This command is useful in compressing large files. The output of the show tech-support command can directed to a file and compressed for further use. The gzip command replaces the source file with a compressed .gz file.

Examples

This example directs the output of the show tech-support command to a file (Samplefile) and then zips the file and displays the difference in the space used up in the volatile: directory:

switch# show tech-support > Samplefile

Building Configuration ...

switch# dir

    1525859     Jul 04 00:51:03 2003  Samplefile

Usage for volatile://

    1527808 bytes used

   19443712 bytes free

   20971520 bytes total

switch# gzip volatile:Samplefile

switch# dir

     266069     Jul 04 00:51:03 2003  Samplefile.gz

Usage for volatile://

     266240 bytes used

   20705280 bytes free

   20971520 bytes total

Related Commands

Command	Description
gunzip	Uncompresses LZ77 coded files.

gunzip

To uncompress (unzip) LZ77 coded files, use the gunzip command in EXEC mode.

gunzip {bootflash: | slot0: | volatile:} filename

Syntax Description

bootflash:	Source location for the compressed file and destination of the uncompressed file.
slot0:	Source location for the compressed file and destination of the uncompressed file.
volatile:	Source location for the compressed file and destination of the uncompressed file. This is the default directory.
filename	The name of the compressed file.

Defaults

None.

Command Modes

EXEC mode.

Command History

This command was introduced in Cisco MDS SAN-OS Release 1.1(1).

Usage Guidelines

This command is useful in uncompressing large files. The gunzip command replaces the compressed.gz source file with an uncompressed file.

Examples

This example unzips a compressed file on volatile: directory and displays the space used:

switch# dir

     266069     Jul 04 00:51:03 2003  Samplefile.gz

Usage for volatile://

     266240 bytes used

   20705280 bytes free

   20971520 bytes total

switch# gunzip Samplefile

switch# dir

    1525859     Jul 04 00:51:03 2003 Samplefile

Usage for volatile://

    1527808 bytes used

   19443712 bytes free

   20971520 bytes total

Related Commands

Command	Description
gzip	Compresses a specified file using LZ77 coding.