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Full Discussion: Resizing file
Top Forums UNIX for Dummies Questions & Answers Resizing file Post 46613 by TRUEST on Wednesday 21st of January 2004 03:05:37 AM
Old 01-21-2004
Quote:
Originally posted by jsilva
Hi,

I'm going to try to explain with an example...
If you have a file of 2049 bytes and if each block has a size of 2048 bytes, that file will occupy 2 blocks, wasting 4096-2049 bytes... got it ? With this in mind, if you have thousands of small files with a little more of 2048 bytes, you can try to reduce them and get some free disk space...

thank you

but how do you go about reducing them. what command?

does this involve editign the file with vi or cutting it with wc???
 

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quot(1M)                                                  System Administration Commands                                                  quot(1M)

NAME
quot - summarize file system ownership SYNOPSIS
quot [-acfhnv] filesystem... quot -a [-cfhnv] DESCRIPTION
quot displays the number of blocks (1024 bytes) in the named filesystem (one or more) currently owned by each user. There is a limit of 2048 blocks. Files larger than this will be counted as a 2048 block file, but the total block count will be correct. OPTIONS
The following options are supported: -a Generate a report for all mounted file systems. -c Display three columns giving a file size in blocks, the number of files of that size, and a cumulative total of blocks containing files of that size or a smaller size. -f Display three columns giving, for each user, the number of blocks owned, the count of number of files, and the user name. This option is incompatible with the -c and -v options. -h Estimate the number of blocks in the file. This does not account for files with holes in them. -n Attach names to the list of files read from standard input. quot -n cannot be used alone, because it expects data from standard input. For example, the pipeline ncheck myfilesystem | sort +0n | quot -n myfilesystem will produce a list of all files and their owners. This option is incompatible with all other options. -v In addition to the default output, display three columns containing the number of blocks not accessed in the last 30, 60, and 90 days. OPERANDS
filesystem mount-point of the filesystem(s) being checked USAGE
See largefile(5) for the description of the behavior of quot when encountering files greater than or equal to 2 Gbyte ( 2**31 bytes). EXIT STATUS
0 Successful operation. 32 Error condition (bad or missing argument, bad path, or other error). FILES
/etc/mnttab Lists mounted file systems. /etc/passwd Used to obtain user names ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
du(1), mnttab(4), passwd(4), attributes(5), largefile(5) NOTES
This command can only be used by the super-user. SunOS 5.10 30 May 2001 quot(1M)
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