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Top Forums UNIX for Dummies Questions & Answers howto Post 40561 by davidg on Thursday 18th of September 2003 05:20:59 AM
Old 09-18-2003
Yes, you can for a hundred percent sure rebuild your users by simply making a copy of your passwd-files (passwd,shadow and group) I can asure you !!

A mailbox is nothing else than a simple flat file. So also yes, you can easily backup mailboxes. Please refer to the man-pages for details on how to backup the filesystems you want.

Regs David
 

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vipw(8) 						      System Manager's Manual							   vipw(8)

NAME
vipw,vigr - edit the password, group or shadow file SYNOPSIS
vipw [-g|-p|-s] vigr [-g|-p|-s] DESCRIPTION
vipw/vigr edits the passwd,group or shadow file after setting the appropriate locks to prevent file corruption. vipw edits per default the /etc/passwd file, vigr the /etc/group file. Extended attributes (like ACLs or security attributes) are preserved. ENVIRONMENT
EDITOR If the environment variable exists, the editor specified by this variable is used instead of the default vi(1). OPTIONS
-g, --group Edit /etc/group. -p, --passwd Edit /etc/passwd. -s, --shadow Edit /etc/shadow. -u, --usage Print a usage message and exit. --help Print a more verbose help text and exit. Print version information and exit. FILES
/etc/group - group account information /etc/passwd - user account information /etc/shadow - shadow account information SEE ALSO
attr(5), passwd(1), passwd(5), shadow(5), vi(1) AUTHOR
Thorsten Kukuk <kukuk@suse.de> pwdutils October 2003 vipw(8)
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