mkpasswd — Write /etc/passwd-like output to stdout
Options: -l,--local [machine] Print local user accounts of \"machine\", from local machine if no machine specified. Automatically adding machine prefix for local machine depends on settings in /etc/nsswitch.conf. -L,--Local machine Ditto, but generate username with machine prefix. -d,--domain [domain] Print domain accounts, from current domain if no domain specified. -c,--current Print current user. -S,--separator char For -L use character char as domain\\user separator in username instead of the default '+'. -o,--id-offset offset Change the default offset (0x10000) added to uids of foreign local machine accounts. Use with -l/-L. -u,--username username Only return information for the specified user. One of -l, -d must be specified, too -b,--no-builtin Don't print BUILTIN users. -p,--path-to-home path Use specified path instead of user account home dir or /home prefix. -U,--unix userlist Print UNIX users when using -l on a UNIX Samba server. Userlist is a comma-separated list of usernames or uid ranges (root,-25,50-100). Enumerating large ranges can take a long time! -h,--help Displays this message. -V,--version Version information and exit. Default is to print local accounts on stand-alone machines, domain accounts on domain controllers and domain member machines.
Don't use this command to generate a local /etc/passwd file, unless you really need one. See the Cygwin User's Guide for more information.
The mkpasswd program can be used to create a
/etc/passwd file. Cygwin doesn't need this file,
because it reads user information from the Windows account databases,
but you can add an
/etc/passwd file, for instance
if your machine is often disconnected from its domain controller.
Note that this information is static, in contrast to the information automatically gathered by Cygwin from the Windows account databases. If you change the user information on your system, you'll need to regenerate the passwd file for it to have the new information.
By default, the information generated by mkpasswd
is equivalent to the information generated by Cygwin itself. The
-l/-L options allow you to
specify where the information comes from, some domain, or the local SAM
of a machine. Note that you can only enumerate accounts from trusted
domains. Any non-trusted domain will be ignored. Access-restrictions
of your current account apply. The
-l/-L when used
with a machine name, tries to contact that machine to enumerate local
groups of other machines, typically outside of domains. This scenario
cannot be covered by Cygwin's account automatism. If you want to use
-L option, but you don't like the default
domain/group separator from
you can specify another separator using the
analog to mkgroup.
For very simple needs, an entry for the current user can be created
by using the option
-o option allows for special cases (such as
multiple domains) where the UIDs might match otherwise. The
-p option causes mkpasswd to use
the specified prefix instead of the account home dir or
. For example, this command:
would put local users' home directories in the Windows
'Profiles' directory. The
-u option creates just an
entry for the specified user. The
-U option allows you
to enumerate the standard UNIX users on a Samba machine. It's used
-l samba-server or
samba-server. The normal UNIX users are usually not enumerated,
but they can show up as file owners in ls -l output.