03-22-2012
passwd -S on linux- what are the fields?
I'm looking for some documentation on what the different fields mean in the output of passwd -S username:
passwd -S foo
foo PS 2012-03-20 0 70 3 -1 (Password set, MD5 crypt.)
I think the date given is the date of the last password change, the 0 after that is the minimum password age, and the 49 after that is the maximum password age. But I can't find any documentation to confirm this. I'd also like to know what the stuff that appears in the other fields means.
The man page says "This will output a short information about the status of the password for a given account. Available to root user only.", which is, shall we say, less than helpful.
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LEARN ABOUT OPENSOLARIS
passwd
passwd(1openssl) OpenSSL passwd(1openssl)
NAME
passwd - compute password hashes
SYNOPSIS
openssl passwd [-crypt] [-1] [-apr1] [-salt string] [-in file] [-stdin] [-noverify] [-quiet] [-table] {password}
DESCRIPTION
The passwd command computes the hash of a password typed at run-time or the hash of each password in a list. The password list is taken
from the named file for option -in file, from stdin for option -stdin, or from the command line, or from the terminal otherwise. The Unix
standard algorithm crypt and the MD5-based BSD password algorithm 1 and its Apache variant apr1 are available.
OPTIONS
-crypt
Use the crypt algorithm (default).
-1 Use the MD5 based BSD password algorithm 1.
-apr1
Use the apr1 algorithm (Apache variant of the BSD algorithm).
-salt string
Use the specified salt. When reading a password from the terminal, this implies -noverify.
-in file
Read passwords from file.
-stdin
Read passwords from stdin.
-noverify
Don't verify when reading a password from the terminal.
-quiet
Don't output warnings when passwords given at the command line are truncated.
-table
In the output list, prepend the cleartext password and a TAB character to each password hash.
EXAMPLES
openssl passwd -crypt -salt xx password prints xxj31ZMTZzkVA.
openssl passwd -1 -salt xxxxxxxx password prints $1$xxxxxxxx$UYCIxa628.9qXjpQCjM4a..
openssl passwd -apr1 -salt xxxxxxxx password prints $apr1$xxxxxxxx$dxHfLAsjHkDRmG83UXe8K0.
OpenSSL-0.9.8 Oct 11 2005 passwd(1openssl)