[6370fa6] | 1 | <sect2>
|
---|
| 2 | <title>Contents</title>
|
---|
| 3 |
|
---|
| 4 | <para>
|
---|
| 5 | The Shadow Password Suite contains the chage, chfn, chsh, expiry,
|
---|
| 6 | faillog, gpasswd, lastlog, login, newgrp, passwd, sg, su, chpasswd,
|
---|
| 7 | dpasswd, groupadd, groupdel, groupmod, grpck, grpconv, grpunconv, logoutd,
|
---|
| 8 | mkpasswd, newusers, pwck, pwconv, pwunconv, useradd, userdel, usermod
|
---|
| 9 | and vipw programs.
|
---|
| 10 | </para>
|
---|
| 11 |
|
---|
| 12 | </sect2>
|
---|
| 13 |
|
---|
| 14 | <sect2><title>Description</title>
|
---|
| 15 |
|
---|
| 16 | <sect3><title>chage</title>
|
---|
| 17 |
|
---|
| 18 | <para>
|
---|
| 19 | chage changes the number of days between password changes and the date of
|
---|
| 20 | the last password change.
|
---|
| 21 | </para>
|
---|
| 22 |
|
---|
| 23 | </sect3>
|
---|
| 24 |
|
---|
| 25 | <sect3><title>chfn</title>
|
---|
| 26 |
|
---|
| 27 | <para>
|
---|
| 28 | chfn changes user fullname, office number, office extension, and home
|
---|
| 29 | phone number information for a user's account.
|
---|
| 30 | </para>
|
---|
| 31 |
|
---|
| 32 | </sect3>
|
---|
| 33 |
|
---|
| 34 | <sect3><title>chsh</title>
|
---|
| 35 |
|
---|
| 36 | <para>
|
---|
| 37 | chsh changes the user login shell.
|
---|
| 38 | </para>
|
---|
| 39 |
|
---|
| 40 | </sect3>
|
---|
| 41 |
|
---|
| 42 | <sect3><title>expiry</title>
|
---|
| 43 |
|
---|
| 44 | <para>
|
---|
| 45 | It's currently unknown what this program is for.
|
---|
| 46 | </para>
|
---|
| 47 |
|
---|
| 48 | </sect3>
|
---|
| 49 |
|
---|
| 50 | <sect3><title>faillog</title>
|
---|
| 51 |
|
---|
| 52 | <para>
|
---|
| 53 | faillog formats the contents of the failure log,/var/log/faillog, and
|
---|
| 54 | maintains failure counts and limits.
|
---|
| 55 | </para>
|
---|
| 56 |
|
---|
| 57 | </sect3>
|
---|
| 58 |
|
---|
| 59 | <sect3><title>gpasswd</title>
|
---|
| 60 |
|
---|
| 61 | <para>
|
---|
| 62 | gpasswd is used to administer the /etc/group file
|
---|
| 63 | </para>
|
---|
| 64 |
|
---|
| 65 | </sect3>
|
---|
| 66 |
|
---|
| 67 | <sect3><title>lastlog</title>
|
---|
| 68 |
|
---|
| 69 | <para>
|
---|
| 70 | lastlog formats and prints the contents of the last login log,
|
---|
| 71 | /var/log/lastlog. The login-name, port, and last login time will be printed.
|
---|
| 72 | </para>
|
---|
| 73 |
|
---|
| 74 | </sect3>
|
---|
| 75 |
|
---|
| 76 | <sect3><title>login</title>
|
---|
| 77 |
|
---|
| 78 | <para>
|
---|
| 79 | login is used to establish a new session with the system.
|
---|
| 80 | </para>
|
---|
| 81 |
|
---|
| 82 | </sect3>
|
---|
| 83 |
|
---|
| 84 | <sect3><title>newgrp</title>
|
---|
| 85 |
|
---|
| 86 | <para>
|
---|
| 87 | newgrp is used to change the current group ID during a login session.
|
---|
| 88 | </para>
|
---|
| 89 |
|
---|
| 90 | </sect3>
|
---|
| 91 |
|
---|
| 92 | <sect3><title>passwd</title>
|
---|
| 93 |
|
---|
| 94 | <para>
|
---|
| 95 | passwd changes passwords for user and group accounts.
|
---|
| 96 | </para>
|
---|
| 97 |
|
---|
| 98 | </sect3>
|
---|
| 99 |
|
---|
| 100 | <sect3><title>sg</title>
|
---|
| 101 |
|
---|
| 102 | <para>
|
---|
| 103 | sg executes command as a different group ID.
|
---|
| 104 | </para>
|
---|
| 105 |
|
---|
| 106 | </sect3>
|
---|
| 107 |
|
---|
| 108 | <sect3><title>su</title>
|
---|
| 109 |
|
---|
| 110 | <para>
|
---|
| 111 | Change the effective user id and group id to that of a user. This
|
---|
| 112 | replaces the su programs that's installed from the Shellutils package.
|
---|
| 113 | </para>
|
---|
| 114 |
|
---|
| 115 | </sect3>
|
---|
| 116 |
|
---|
| 117 | <sect3><title>chpasswd</title>
|
---|
| 118 |
|
---|
| 119 | <para>
|
---|
| 120 | chpasswd reads a file of user name and password pairs from standard
|
---|
| 121 | input and uses this information to update a group of existing users.
|
---|
| 122 | </para>
|
---|
| 123 |
|
---|
| 124 | </sect3>
|
---|
| 125 |
|
---|
| 126 | <sect3><title>dpasswd</title>
|
---|
| 127 |
|
---|
| 128 | <para>
|
---|
| 129 | dpasswd adds, deletes, and updates dialup passwords for user login shells.
|
---|
| 130 | </para>
|
---|
| 131 |
|
---|
| 132 | </sect3>
|
---|
| 133 |
|
---|
| 134 | <sect3><title>groupadd</title>
|
---|
| 135 |
|
---|
| 136 | <para>
|
---|
| 137 | The groupadd command creates a new group account using the values
|
---|
| 138 | specified on the command line and the default values from the system.
|
---|
| 139 | </para>
|
---|
| 140 |
|
---|
| 141 | </sect3>
|
---|
| 142 |
|
---|
| 143 | <sect3><title>groupdel</title>
|
---|
| 144 |
|
---|
| 145 | <para>
|
---|
| 146 | The groupdel command modifies the system account files, deleting all
|
---|
| 147 | entries that refer to group.
|
---|
| 148 | </para>
|
---|
| 149 |
|
---|
| 150 | </sect3>
|
---|
| 151 |
|
---|
| 152 | <sect3><title>groupmod</title>
|
---|
| 153 |
|
---|
| 154 | <para>
|
---|
| 155 | The groupmod command modifies the system account files to reflect the
|
---|
| 156 | changes that are specified on the command line.
|
---|
| 157 | </para>
|
---|
| 158 |
|
---|
| 159 | </sect3>
|
---|
| 160 |
|
---|
| 161 | <sect3><title>grpck</title>
|
---|
| 162 |
|
---|
| 163 | <para>
|
---|
| 164 | grpck verifies the integrity of the system authentication information.
|
---|
| 165 | </para>
|
---|
| 166 |
|
---|
| 167 | </sect3>
|
---|
| 168 |
|
---|
| 169 | <sect3><title>grpconv</title>
|
---|
| 170 |
|
---|
| 171 | <para>
|
---|
| 172 | grpunconv converts to shadow group files from normal group files.
|
---|
| 173 | </para>
|
---|
| 174 |
|
---|
| 175 | </sect3>
|
---|
| 176 |
|
---|
| 177 | <sect3><title>grpunconv</title>
|
---|
| 178 |
|
---|
| 179 | <para>
|
---|
| 180 | grpunconv converts from shadow group files to normal group files.
|
---|
| 181 | </para>
|
---|
| 182 |
|
---|
| 183 | </sect3>
|
---|
| 184 |
|
---|
| 185 | <sect3><title>logoutd</title>
|
---|
| 186 |
|
---|
| 187 | <para>
|
---|
| 188 | logoutd enforces the login time and port restrictions specified in
|
---|
| 189 | /etc/porttime.
|
---|
| 190 | </para>
|
---|
| 191 |
|
---|
| 192 | </sect3>
|
---|
| 193 |
|
---|
| 194 | <sect3><title>mkpasswd</title>
|
---|
| 195 |
|
---|
| 196 | <para>
|
---|
| 197 | mkpasswd reads a file in the format given by the flags and converts it
|
---|
| 198 | to the corresponding database file format.
|
---|
| 199 | </para>
|
---|
| 200 |
|
---|
| 201 | </sect3>
|
---|
| 202 |
|
---|
| 203 | <sect3><title>newusers</title>
|
---|
| 204 |
|
---|
| 205 | <para>
|
---|
| 206 | newusers reads a file of user name and cleartext password pairs and uses
|
---|
| 207 | this information to update a group of existing users or to create new users.
|
---|
| 208 | </para>
|
---|
| 209 |
|
---|
| 210 | </sect3>
|
---|
| 211 |
|
---|
| 212 | <sect3><title>pwck</title>
|
---|
| 213 |
|
---|
| 214 | <para>
|
---|
| 215 | pwck verifies the integrity of the system authentication information.
|
---|
| 216 | </para>
|
---|
| 217 |
|
---|
| 218 | </sect3>
|
---|
| 219 |
|
---|
| 220 | <sect3><title>pwconv</title>
|
---|
| 221 |
|
---|
| 222 | <para>
|
---|
| 223 | pwconv converts to shadow passwd files from normal passwd files.
|
---|
| 224 | </para>
|
---|
| 225 |
|
---|
| 226 | </sect3>
|
---|
| 227 |
|
---|
| 228 | <sect3><title>pwunconv</title>
|
---|
| 229 |
|
---|
| 230 | <para>
|
---|
| 231 | pwunconv converts from shadow passwd files to normal files.
|
---|
| 232 | </para>
|
---|
| 233 |
|
---|
| 234 | </sect3>
|
---|
| 235 |
|
---|
| 236 | <sect3><title>useradd</title>
|
---|
| 237 |
|
---|
| 238 | <para>
|
---|
| 239 | useradd creates a new user or update default new user information.
|
---|
| 240 | </para>
|
---|
| 241 |
|
---|
| 242 | </sect3>
|
---|
| 243 |
|
---|
| 244 | <sect3><title>userdel</title>
|
---|
| 245 |
|
---|
| 246 | <para>
|
---|
| 247 | userdel modifies the system account files, deleting all entries that
|
---|
| 248 | refer to a specified login name.
|
---|
| 249 | </para>
|
---|
| 250 |
|
---|
| 251 | </sect3>
|
---|
| 252 |
|
---|
| 253 | <sect3><title>usermod</title>
|
---|
| 254 |
|
---|
| 255 | <para>
|
---|
| 256 | usermod modifies the system account files to reflect the changes that
|
---|
| 257 | are specified on the command line.
|
---|
| 258 | </para>
|
---|
| 259 |
|
---|
| 260 | </sect3>
|
---|
| 261 |
|
---|
| 262 | <sect3><title>vipw and vigr</title>
|
---|
| 263 |
|
---|
| 264 | <para>
|
---|
| 265 | vipw and vigr will edit the files /etc/passwd and /etc/group,
|
---|
| 266 | respectively. With the -s flag, they will edit the shadow versions of
|
---|
| 267 | those files, /etc/shadow and /etc/gshadow, respectively.
|
---|
| 268 | </para>
|
---|
| 269 |
|
---|
| 270 | </sect3>
|
---|
| 271 |
|
---|
| 272 | </sect2>
|
---|
| 273 |
|
---|