Difference between revisions of "32v 1m passwd"
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Latest revision as of 17:13, 26 October 2009
PASSWD(1) UNIX Programmer's Manual PASSWD(1)
Contents
NAME
passwd - change login password
SYNOPSIS
passwd [ name ]
DESCRIPTION
This command changes (or installs) a password associated with the user _n_a_m_e (your own name by default).
The program prompts for the old password and then for the new one. The caller must supply both. The new password must be typed twice, to forestall mistakes.
New passwords must be at least four characters long if they use a sufficiently rich alphabet and at least six characters long if monocase. These rules are relaxed if you are insistent enough.
Only the owner of the name or the super-user may change a password; the owner must prove he knows the old password.
FILES
/etc/passwd
SEE ALSO
login(1), passwd(5), crypt(3) Robert Morris and Ken Thompson, _U_N_I_X _p_a_s_s_w_o_r_d _s_e_c_u_r_i_t_y