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Linux in a Nutshell

This directory of Linux commands is from Linux in a Nutshell, 5th Edition.

Click on any of the 687 commands below to get a description and list of available options. All links in the command summaries point to the online version of the book on Safari Bookshelf.

Buy it now, or read it online on Safari Bookshelf.


size [options] [objfile...]

Print the number of bytes of each section of objfile and its total size. If objfile is not specified, a.out is used.



Display the size in decimal and hexadecimal.


Imitate the size command from either System V (--format sysv) or BSD (--format berkeley).


Print help message, then exit.


Display the size in octal and hexadecimal.


Specify how to display the size: in hexadecimal and decimal (if num is 10 or 16) or hexadecimal and octal (if num is 8).

-t, --totals

Show object totals. Works only with Berkeley format listings.


Specify object format by binary file descriptor name. Use -h for a list of supported object formats.


Display the size in hexadecimal and decimal.


Imitate System V's size command.


Imitate BSD's size command.

-V, --version

Print version, then exit.

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