$ vi /etc/passwd
$ sudo vipw
$ sudo vipw
vipw -- edit the password file
Vipw edits the password file after setting the appropriate locks, and does any necessary processing after the pass-
word file is unlocked. If the password file is already locked for editing by another user, vipw will ask you to
try again later. The default editor for vipw is vi(1).
Vipw performs a number of consistency checks on the password entries, and will not allow a password file with a
``mangled'' entry to be installed. If vipw rejects the new password file, the user is prompted to re-enter the
Once the information has been verified, vipw uses pwd_mkdb(8) to update the user database. This is run in the
background, and, at very large sites could take several minutes. Until this update is completed, the password file
is unavailable for other updates and the new information is not available to programs.
If the following environment variable exists it will be utilized by vipw:
EDITOR The editor specified by the string EDITOR will be invoked instead of the default editor vi(1).
chpass(1), passwd(1), passwd(5), pwd_mkdb(8)
The vipw command appeared in 4.0BSD.
4th Berkeley Distribution June 6, 1993 4th Berkeley Distribution