Linux unzip Command

Linux Command Manual

The Linux unzip command is used to extract zip files.

unzip is a program for extracting compressed files in .zip format.

Syntax

unzip [-cflptuvz][-agCjLMnoqsVX][-P <password>][.zip file][files][-d <directory>][-x <files>] or unzip [-Z]

Parameters:

-c: Displays the unzipped content on the screen and performs appropriate character conversions.
-f: Updates existing files.
-l: Lists the files contained in the compressed file.
-p: Similar to the -c parameter, displays the unzipped content on the screen but does not perform any conversions.
-t: Checks if the compressed file is correct.
-u: Similar to the -f parameter, but also extracts other files from the compressed file into the directory.
-v: Displays detailed information during execution.
-z: Displays only the comments of the compressed file.
-a: Performs necessary character conversions for text files.
-b: Does not perform character conversions for text files.
-C: Case-sensitive file names in the compressed file.
-j: Does not process the original directory paths in the compressed file.
-L: Converts all file names in the compressed file to lowercase.
-M: Sends the output to the more program for processing.
-n: Prevents overwriting existing files during extraction.
-o: Overwrites existing files without asking the user.
-P<password>: Uses the password option for zip.
-q: Executes without displaying any information.
-s: Converts whitespace characters in file names to underscores.
-V: Retains VMS file version information.
-X: Restores the original UID/GID of the files during extraction.
[.zip file]: Specifies the .zip compressed file.
[files]: Specifies which files in the .zip compressed file to process.
-d<directory>: Specifies the directory where the extracted files will be stored.
-x<files>: Specifies which files in the .zip compressed file not to process.
-Z: unzip -Z is equivalent to running the zipinfo command.

Examples

View the files contained in the compressed file:

# unzip -l abc.zip
Archive: abc.zip
 Length   Date  Time  Name
--------  ----  ----  ----
  94618 05-21-10 20:44  a11.jpg
  202001 05-21-10 20:44  a22.jpg
    16 05-22-10 15:01  11.txt
  46468 05-23-10 10:30  w456.JPG
  140085 03-14-10 21:49  my.asp
--------          -------
  483188          5 files

The -v parameter is used to view the directory information of the compressed file without extracting it.

# unzip -v abc.zip
Archive: abc.zip
Length  Method  Size Ratio  Date  Time  CRC-32  Name
-------- ------ ------- -----  ----  ----  ------  ----
  94618 Defl:N  93353  1% 05-21-10 20:44 9e661437 a11.jpg
 202001 Defl:N  201833  0% 05-21-10 20:44 1da462eb a22.jpg
   16 Stored    16  0% 05-22-10 15:01 ae8a9910 ? +-|￥+-? (11).txt
  46468 Defl:N  39997 14% 05-23-10 10:30 962861f2 w456.JPG
 140085 Defl:N  36765 74% 03-14-10 21:49 836fcc3f my.asp
--------     ------- ---              -------
 483188      371964 23%              5 files

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