Generation file copying for tech support backup Post: 302180608

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Top Forums UNIX for Dummies Questions & Answers Generation file copying for tech support backup Post 302180608 by jgt on Monday 31st of March 2008 03:42:10 PM

03-31-2008

Registered User

On SCO systems it can be done like this:
See (man ADM mount) on other systems.

Quote:

[h2]Versioning filesystems (undelete)[/h2]
Versioning allows deleted files to be recovered with the undelete(C) command or on the Desktop as described in ``Deleting and recovering files and directories''. If versioning is enabled on a filesystem, files and directories can be designated for versioning and administered as described in ``Retrieving deleted files''. The versioning feature can be enabled system-wide or for individual filesystems.
To enable versioning on all non-root HTFS filesystems:
Use the Hardware/Kernel Manager as described in ``Configuring kernel parameters''. Select category 10, ``Filesystem configuration.''
To enable versioning and set the maximum number (n) of versioned files, set MAXVDEPTH to a non-zero number.
To disable versioning, set MAXVDEPTH to 0 (default).
To set the number of seconds (n) before a file is versioned, set MINVTIME to n (a non-zero number). The default value of MINVTIME is 0.
Relink the kernel with the new filesystem parameters -- see ``Rebuilding the kernel''.
Reboot the system by entering:

reboot
To enable versioning on a per-filesystem basis, see ``Filesystem mount options (HTFS, EAFS, AFS, S51K)''. To enable versioning on the root filesystem, see ``Modifying HTFS, EAFS, AFS, and S51K root filesystem mount configuration''.

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LEARN ABOUT OPENDARWIN

quotaon

QUOTAON(8)						    BSD System Manager's Manual 						QUOTAON(8)

NAME

     quotaon, quotaoff -- turn filesystem quotas on and off

SYNOPSIS

     quotaon [-g] [-u] [-v] filesystem ...
     quotaon [-g] [-u] [-v] -a
     quotaoff [-g] [-u] [-v] filesystem ...
     quotaoff [-g] [-u] [-v] -a

DESCRIPTION

     Quotaon announces to the system that disk quotas should be enabled on one or more filesystems.  Quotaoff announces to the system that the
     specified filesystems should have disk quotas turned off.	The filesystem must be mounted and it must have the appropriate mount option file
     located at its root, the .quota.ops.user file for user quota configuration, and the .quota.ops.group file for group quota configuration.
     Quotaon also expects each filesystem to have the appropriate quota data files located at its root, the .quota.user file for user data, and
     the .quota.group file for group data.  These filenames and their root location cannot be overridden.  By default, quotaon will attempt to
     enable both user and group quotas.  By default, quotaoff will disable both user and group quotas.

     Available options:

     -a      If the -a flag is supplied in place of any filesystem names, quotaon/quotaoff will enable/disable any filesystems with an existing
	     mount option file at its root.  The mount option file specifies the types of quotas that are to be configured.

     -g      Only group quotas will be enabled/disabled.  The mount option file, .quota.ops.group, must exist at the root of the filesystem.

     -u      Only user quotas will be enabled/disabled.  The mount option file, .quota.ops.user, must exist at the root of the filesystem.

     -v      Causes quotaon and quotaoff to print a message for each filesystem where quotas are turned on or off.

     Specifying both -g and -u is equivalent to the default.

     Quotas for both users and groups will automatically be turned on at filesystem mount if the appropriate mount option file and binary data
     file is in place at its root.

FILES

     Each of the following quota files is located at the root of the mounted filesystem.  The mount option files are empty files whose existence
     indicates that quotas are to be enabled for that filesystem.

     .quota.user       data file containing user quotas
     .quota.group      data file containing group quotas
     .quota.ops.user   mount option file used to enable user quotas
     .quota.ops.group  mount option file used to enable group quotas

SEE ALSO

     quota(1), quotactl(2), edquota(8), quotacheck(8), repquota(8)

HISTORY

     The quotaon command appeared in 4.2BSD.

4.2 Berkeley Distribution					 October 17, 2002					 4.2 Berkeley Distribution