Recycle bin on minix 3.2.1? Post: 302950819

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Top Forums UNIX for Dummies Questions & Answers Recycle bin on minix 3.2.1? Post 302950819 by rbatte1 on Wednesday 29th of July 2015 04:38:13 AM

07-29-2015

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Where some OS have a bucket (being careful not to infringe trademarks, copyright etc.) where everything goes unless you specify it is really to be deleted in case you make a mistake, all Unix systems (and mainframes) work the opposite way round in that they assume you know what you are doing and will do exactly what you say.

You could, in theory, intercept the rm command and substitute a move of the file to another location, writing a record to a list you can interrogate later, but I would say that this is fraught with danger. You have to consider the sizes of the files concerned for a starter. Do you move them to a separate filesystem and have that IO cost and risk it will fail (what do you do then) or keep them in the same filesystem and risk filling it up.

There are no doubt many other possible problems, but you would be better to manage it by good practice and doing things accurately rather than having a "Whoops, I've deleted something important" Heath-Robinson affair. You also have to consider what the automated processes might do if you get in their way. What would you expect them to do with files they want to delete? How would you differentiate?

Sorry if this isn't the answer you wanted, but it's my humble opinion that it is designed in the best way already, in that it does what you tell it to.

Robin

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LEARN ABOUT LINUX

mkfs.minix

MKFS.MINIX(8)						Linux System Administrator's Manual					     MKFS.MINIX(8)

NAME

       mkfs.minix - make a Linux MINIX filesystem

SYNOPSIS

       mkfs.minix [-c|-l filename] [-n namelength] [-i inodecount] [-v] device [size-in-blocks]

DESCRIPTION

       mkfs.minix creates a Linux MINIX file-system on a device (usually a disk partition).

       The device is usually of the following form:

	      /dev/hda[1-8] (IDE disk 1)
	      /dev/hdb[1-8] (IDE disk 2)
	      /dev/sda[1-8] (SCSI disk 1)
	      /dev/sdb[1-8] (SCSI disk 2)

       The  size-in-blocks parameter is the desired size of the file system, in blocks.  It is present only for backwards compatibility.  If omit-
       ted the size will be determined automatically.  Only block counts strictly greater than 10 and strictly less than 65536 are allowed.

OPTIONS

       -c     Check the device for bad blocks before creating the file system.	If any are found, the count is printed.

       -n namelength
	      Specify the maximum length of filenames.	Currently, the only allowable values are 14 and 30.  The default is 30. Note that  kernels
	      older than 0.99p7 only accept namelength 14.

       -i inodecount
	      Specify the number of inodes for the filesystem.

       -l filename
	      Read the bad blocks list from filename.  The file has one bad block number per line.  The count of bad blocks read is printed.

       -v     Make a Minix version 2 filesystem.

EXIT CODES

       The exit code returned by mkfs.minix is one of the following:

       0      No errors

       8      Operational error

       16     Usage or syntax error

SEE ALSO

       mkfs(8), fsck(8), reboot(8)

AVAILABILITY

       The mkfs.minix command is part of the util-linux package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux/.

Util-linux 2.6							    2 July 1996 						     MKFS.MINIX(8)