summaryrefslogtreecommitdiffstats
path: root/man/zh_CN/man8/useradd.8
diff options
context:
space:
mode:
Diffstat (limited to 'man/zh_CN/man8/useradd.8')
-rw-r--r--man/zh_CN/man8/useradd.8784
1 files changed, 784 insertions, 0 deletions
diff --git a/man/zh_CN/man8/useradd.8 b/man/zh_CN/man8/useradd.8
new file mode 100644
index 0000000..ea0f7b1
--- /dev/null
+++ b/man/zh_CN/man8/useradd.8
@@ -0,0 +1,784 @@
+'\" t
+.\" Title: useradd
+.\" Author: Julianne Frances Haugh
+.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
+.\" Date: 2020-01-23
+.\" Manual: 系统管理命令
+.\" Source: shadow-utils 4.8.1
+.\" Language: Chinese Simplified
+.\"
+.TH "USERADD" "8" "2020-01-23" "shadow\-utils 4\&.8\&.1" "系统管理命令"
+.\" -----------------------------------------------------------------
+.\" * Define some portability stuff
+.\" -----------------------------------------------------------------
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.\" http://bugs.debian.org/507673
+.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.ie \n(.g .ds Aq \(aq
+.el .ds Aq '
+.\" -----------------------------------------------------------------
+.\" * set default formatting
+.\" -----------------------------------------------------------------
+.\" disable hyphenation
+.nh
+.\" disable justification (adjust text to left margin only)
+.ad l
+.\" -----------------------------------------------------------------
+.\" * MAIN CONTENT STARTS HERE *
+.\" -----------------------------------------------------------------
+.SH "名称"
+useradd \- 创建一个新用户或更新默认新用户信息
+.SH "大纲"
+.HP \w'\fBuseradd\fR\ 'u
+\fBuseradd\fR [\fI选项\fR] \fI登录\fR
+.HP \w'\fBuseradd\fR\ 'u
+\fBuseradd\fR \-D
+.HP \w'\fBuseradd\fR\ 'u
+\fBuseradd\fR \-D [\fI选项\fR]
+.SH "描述"
+.PP
+When invoked without the
+\fB\-D\fR
+option, the
+\fBuseradd\fR
+command creates a new user account using the values specified on the command line plus the default values from the system\&. Depending on command line options, the
+\fBuseradd\fR
+command will update system files and may also create the new user\*(Aqs home directory and copy initial files\&.
+.PP
+By default, a group will also be created for the new user (see
+\fB\-g\fR,
+\fB\-N\fR,
+\fB\-U\fR, and
+\fBUSERGROUPS_ENAB\fR)\&.
+.SH "选项"
+.PP
+The options which apply to the
+\fBuseradd\fR
+command are:
+.PP
+\fB\-\-badname\fR\ \&
+.RS 4
+Allow names that do not conform to standards\&.
+.RE
+.PP
+\fB\-b\fR, \fB\-\-base\-dir\fR\ \&\fIBASE_DIR\fR
+.RS 4
+The default base directory for the system if
+\fB\-d\fR\ \&\fIHOME_DIR\fR
+is not specified\&.
+\fIBASE_DIR\fR
+is concatenated with the account name to define the home directory\&. If the
+\fB\-m\fR
+option is not used,
+\fIBASE_DIR\fR
+must exist\&.
+.sp
+If this option is not specified,
+\fBuseradd\fR
+will use the base directory specified by the
+\fBHOME\fR
+variable in
+/etc/default/useradd, or
+/home
+by default\&.
+.RE
+.PP
+\fB\-c\fR, \fB\-\-comment\fR\ \&\fICOMMENT\fR
+.RS 4
+任何字符串。通常是关于登录的简短描述,当前用于用户全名。
+.RE
+.PP
+\fB\-d\fR, \fB\-\-home\-dir\fR\ \&\fIHOME_DIR\fR
+.RS 4
+The new user will be created using
+\fIHOME_DIR\fR
+as the value for the user\*(Aqs login directory\&. The default is to append the
+\fILOGIN\fR
+name to
+\fIBASE_DIR\fR
+and use that as the login directory name\&. The directory
+\fIHOME_DIR\fR
+does not have to exist but will not be created if it is missing\&.
+.RE
+.PP
+\fB\-D\fR, \fB\-\-defaults\fR
+.RS 4
+看下边,\(lq更改默认值\(rq子节。
+.RE
+.PP
+\fB\-e\fR, \fB\-\-expiredate\fR\ \&\fIEXPIRE_DATE\fR
+.RS 4
+The date on which the user account will be disabled\&. The date is specified in the format
+\fIYYYY\-MM\-DD\fR\&.
+.sp
+If not specified,
+\fBuseradd\fR
+will use the default expiry date specified by the
+\fBEXPIRE\fR
+variable in
+/etc/default/useradd, or an empty string (no expiry) by default\&.
+.RE
+.PP
+\fB\-f\fR, \fB\-\-inactive\fR\ \&\fIINACTIVE\fR
+.RS 4
+密码过期后,账户被彻底禁用之前的天数。0 表示立即禁用,\-1 表示禁用这个功能。
+.sp
+If not specified,
+\fBuseradd\fR
+will use the default inactivity period specified by the
+\fBINACTIVE\fR
+variable in
+/etc/default/useradd, or \-1 by default\&.
+.RE
+.PP
+\fB\-g\fR, \fB\-\-gid\fR\ \&\fIGROUP\fR
+.RS 4
+用户初始登陆组的组名或号码。组名必须已经存在。组号码必须指代已经存在的组。
+.sp
+If not specified, the behavior of
+\fBuseradd\fR
+will depend on the
+\fBUSERGROUPS_ENAB\fR
+variable in
+/etc/login\&.defs\&. If this variable is set to
+\fIyes\fR
+(or
+\fB\-U/\-\-user\-group\fR
+is specified on the command line), a group will be created for the user, with the same name as her loginname\&. If the variable is set to
+\fIno\fR
+(or
+\fB\-N/\-\-no\-user\-group\fR
+is specified on the command line), useradd will set the primary group of the new user to the value specified by the
+\fBGROUP\fR
+variable in
+/etc/default/useradd, or 100 by default\&.
+.RE
+.PP
+\fB\-G\fR, \fB\-\-groups\fR\ \&\fIGROUP1\fR[\fI,GROUP2,\&.\&.\&.\fR[\fI,GROUPN\fR]]]
+.RS 4
+A list of supplementary groups which the user is also a member of\&. Each group is separated from the next by a comma, with no intervening whitespace\&. The groups are subject to the same restrictions as the group given with the
+\fB\-g\fR
+option\&. The default is for the user to belong only to the initial group\&.
+.RE
+.PP
+\fB\-h\fR, \fB\-\-help\fR
+.RS 4
+现实帮助信息并退出。
+.RE
+.PP
+\fB\-k\fR, \fB\-\-skel\fR\ \&\fISKEL_DIR\fR
+.RS 4
+The skeleton directory, which contains files and directories to be copied in the user\*(Aqs home directory, when the home directory is created by
+\fBuseradd\fR\&.
+.sp
+This option is only valid if the
+\fB\-m\fR
+(or
+\fB\-\-create\-home\fR) option is specified\&.
+.sp
+If this option is not set, the skeleton directory is defined by the
+\fBSKEL\fR
+variable in
+/etc/default/useradd
+or, by default,
+/etc/skel\&.
+.sp
+如果可以,也复制 ACL 和扩展属性。
+.RE
+.PP
+\fB\-K\fR, \fB\-\-key\fR\ \&\fIKEY\fR=\fIVALUE\fR
+.RS 4
+Overrides
+/etc/login\&.defs
+defaults (\fBUID_MIN\fR,
+\fBUID_MAX\fR,
+\fBUMASK\fR,
+\fBPASS_MAX_DAYS\fR
+and others)\&.
+
+Example:
+\fB\-K\fR\ \&\fIPASS_MAX_DAYS\fR=\fI\-1\fR
+can be used when creating system account to turn off password aging, even though system account has no password at all\&. Multiple
+\fB\-K\fR
+options can be specified, e\&.g\&.:
+\fB\-K\fR\ \&\fIUID_MIN\fR=\fI100\fR\ \&
+\fB\-K\fR\ \&\fIUID_MAX\fR=\fI499\fR
+.RE
+.PP
+\fB\-l\fR, \fB\-\-no\-log\-init\fR
+.RS 4
+不要将用户添加到最近登录和登录失败数据库。
+.sp
+By default, the user\*(Aqs entries in the lastlog and faillog databases are reset to avoid reusing the entry from a previously deleted user\&.
+.RE
+.PP
+\fB\-m\fR, \fB\-\-create\-home\fR
+.RS 4
+Create the user\*(Aqs home directory if it does not exist\&. The files and directories contained in the skeleton directory (which can be defined with the
+\fB\-k\fR
+option) will be copied to the home directory\&.
+.sp
+By default, if this option is not specified and
+\fBCREATE_HOME\fR
+is not enabled, no home directories are created\&.
+.RE
+.PP
+\fB\-M\fR, \fB\-\-no\-create\-home\fR
+.RS 4
+Do no create the user\*(Aqs home directory, even if the system wide setting from
+/etc/login\&.defs
+(\fBCREATE_HOME\fR) is set to
+\fIyes\fR\&.
+.RE
+.PP
+\fB\-N\fR, \fB\-\-no\-user\-group\fR
+.RS 4
+Do not create a group with the same name as the user, but add the user to the group specified by the
+\fB\-g\fR
+option or by the
+\fBGROUP\fR
+variable in
+/etc/default/useradd\&.
+.sp
+The default behavior (if the
+\fB\-g\fR,
+\fB\-N\fR, and
+\fB\-U\fR
+options are not specified) is defined by the
+\fBUSERGROUPS_ENAB\fR
+variable in
+/etc/login\&.defs\&.
+.RE
+.PP
+\fB\-o\fR, \fB\-\-non\-unique\fR
+.RS 4
+允许使用重复的 UID 创建用户账户。
+.sp
+This option is only valid in combination with the
+\fB\-u\fR
+option\&.
+.RE
+.PP
+\fB\-p\fR, \fB\-\-password\fR\ \&\fIPASSWORD\fR
+.RS 4
+The encrypted password, as returned by
+\fBcrypt\fR(3)\&. The default is to disable the password\&.
+.sp
+\fBNote:\fR
+This option is not recommended because the password (or encrypted password) will be visible by users listing the processes\&.
+.sp
+您应该确保密码符合系统的密码政策。
+.RE
+.PP
+\fB\-r\fR, \fB\-\-system\fR
+.RS 4
+创建一个系统账户。
+.sp
+System users will be created with no aging information in
+/etc/shadow, and their numeric identifiers are chosen in the
+\fBSYS_UID_MIN\fR\-\fBSYS_UID_MAX\fR
+range, defined in
+/etc/login\&.defs, instead of
+\fBUID_MIN\fR\-\fBUID_MAX\fR
+(and their
+\fBGID\fR
+counterparts for the creation of groups)\&.
+.sp
+Note that
+\fBuseradd\fR
+will not create a home directory for such a user, regardless of the default setting in
+/etc/login\&.defs
+(\fBCREATE_HOME\fR)\&. You have to specify the
+\fB\-m\fR
+options if you want a home directory for a system account to be created\&.
+.RE
+.PP
+\fB\-R\fR, \fB\-\-root\fR\ \&\fICHROOT_DIR\fR
+.RS 4
+Apply changes in the
+\fICHROOT_DIR\fR
+directory and use the configuration files from the
+\fICHROOT_DIR\fR
+directory\&.
+.RE
+.PP
+\fB\-P\fR, \fB\-\-prefix\fR\ \&\fIPREFIX_DIR\fR
+.RS 4
+Apply changes in the
+\fIPREFIX_DIR\fR
+directory and use the configuration files from the
+\fIPREFIX_DIR\fR
+directory\&. This option does not chroot and is intended for preparing a cross\-compilation target\&. Some limitations: NIS and LDAP users/groups are not verified\&. PAM authentication is using the host files\&. No SELINUX support\&.
+.RE
+.PP
+\fB\-s\fR, \fB\-\-shell\fR\ \&\fISHELL\fR
+.RS 4
+The name of the user\*(Aqs login shell\&. The default is to leave this field blank, which causes the system to select the default login shell specified by the
+\fBSHELL\fR
+variable in
+/etc/default/useradd, or an empty string by default\&.
+.RE
+.PP
+\fB\-u\fR, \fB\-\-uid\fR\ \&\fIUID\fR
+.RS 4
+The numerical value of the user\*(Aqs ID\&. This value must be unique, unless the
+\fB\-o\fR
+option is used\&. The value must be non\-negative\&. The default is to use the smallest ID value greater than or equal to
+\fBUID_MIN\fR
+and greater than every other user\&.
+.sp
+See also the
+\fB\-r\fR
+option and the
+\fBUID_MAX\fR
+description\&.
+.RE
+.PP
+\fB\-U\fR, \fB\-\-user\-group\fR
+.RS 4
+创建一个和用户同名的组,并将用户添加到组中。
+.sp
+The default behavior (if the
+\fB\-g\fR,
+\fB\-N\fR, and
+\fB\-U\fR
+options are not specified) is defined by the
+\fBUSERGROUPS_ENAB\fR
+variable in
+/etc/login\&.defs\&.
+.RE
+.PP
+\fB\-Z\fR, \fB\-\-selinux\-user\fR\ \&\fISEUSER\fR
+.RS 4
+用户登陆的 SELinux 用户。默认为留空,这会造成系统选择默认的 SELinux 用户。
+.RE
+.SS "更改默认值"
+.PP
+When invoked with only the
+\fB\-D\fR
+option,
+\fBuseradd\fR
+will display the current default values\&. When invoked with
+\fB\-D\fR
+plus other options,
+\fBuseradd\fR
+will update the default values for the specified options\&. Valid default\-changing options are:
+.PP
+\fB\-b\fR, \fB\-\-base\-dir\fR\ \&\fIBASE_DIR\fR
+.RS 4
+The path prefix for a new user\*(Aqs home directory\&. The user\*(Aqs name will be affixed to the end of
+\fIBASE_DIR\fR
+to form the new user\*(Aqs home directory name, if the
+\fB\-d\fR
+option is not used when creating a new account\&.
+.sp
+This option sets the
+\fBHOME\fR
+variable in
+/etc/default/useradd\&.
+.RE
+.PP
+\fB\-e\fR, \fB\-\-expiredate\fR\ \&\fIEXPIRE_DATE\fR
+.RS 4
+禁用此用户账户的日期。
+.sp
+This option sets the
+\fBEXPIRE\fR
+variable in
+/etc/default/useradd\&.
+.RE
+.PP
+\fB\-f\fR, \fB\-\-inactive\fR\ \&\fIINACTIVE\fR
+.RS 4
+密码过期到账户被禁用之前的天数。
+.sp
+This option sets the
+\fBINACTIVE\fR
+variable in
+/etc/default/useradd\&.
+.RE
+.PP
+\fB\-g\fR, \fB\-\-gid\fR\ \&\fIGROUP\fR
+.RS 4
+The group name or ID for a new user\*(Aqs initial group (when the
+\fB\-N/\-\-no\-user\-group\fR
+is used or when the
+\fBUSERGROUPS_ENAB\fR
+variable is set to
+\fIno\fR
+in
+/etc/login\&.defs)\&. The named group must exist, and a numerical group ID must have an existing entry\&.
+.sp
+This option sets the
+\fBGROUP\fR
+variable in
+/etc/default/useradd\&.
+.RE
+.PP
+\fB\-s\fR, \fB\-\-shell\fR\ \&\fISHELL\fR
+.RS 4
+新用户的登录 shell 名。
+.sp
+This option sets the
+\fBSHELL\fR
+variable in
+/etc/default/useradd\&.
+.RE
+.SH "注意:"
+.PP
+The system administrator is responsible for placing the default user files in the
+/etc/skel/
+directory (or any other skeleton directory specified in
+/etc/default/useradd
+or on the command line)\&.
+.SH "CAVEATS"
+.PP
+您可能不能想 NIS 组或 LDAP 组添加用户。这只能在相应服务器上进行。
+.PP
+Similarly, if the username already exists in an external user database such as NIS or LDAP,
+\fBuseradd\fR
+will deny the user account creation request\&.
+.PP
+用户名必须以一个小写字母或下划线开始,跟随小写字符、数字、下划线或连字符的组合。可以以美元符号结束。用正则表达式表示就是:[a\-z_][a\-z0\-9_\-]*[$]?
+.PP
+用户名不能超过 32 个字符长。
+.SH "配置文件"
+.PP
+The following configuration variables in
+/etc/login\&.defs
+change the behavior of this tool:
+.PP
+\fBCREATE_HOME\fR (boolean)
+.RS 4
+指示是否应该为新用户默认创建主目录。
+.sp
+此设置并不应用到系统用户,并且可以使用命令行覆盖。
+.RE
+.PP
+\fBGID_MAX\fR (number), \fBGID_MIN\fR (number)
+.RS 4
+Range of group IDs used for the creation of regular groups by
+\fBuseradd\fR,
+\fBgroupadd\fR, or
+\fBnewusers\fR\&.
+.sp
+The default value for
+\fBGID_MIN\fR
+(resp\&.
+\fBGID_MAX\fR) is 1000 (resp\&. 60000)\&.
+.RE
+.PP
+\fBHOME_MODE\fR (number)
+.RS 4
+The mode for new home directories\&. If not specified, the
+\fBUMASK\fR
+is used to create the mode\&.
+.sp
+\fBuseradd\fR
+and
+\fBnewusers\fR
+use this to set the mode of the home directory they create\&.
+.RE
+.PP
+\fBLASTLOG_UID_MAX\fR (number)
+.RS 4
+Highest user ID number for which the lastlog entries should be updated\&. As higher user IDs are usually tracked by remote user identity and authentication services there is no need to create a huge sparse lastlog file for them\&.
+.sp
+No
+\fBLASTLOG_UID_MAX\fR
+option present in the configuration means that there is no user ID limit for writing lastlog entries\&.
+.RE
+.PP
+\fBMAIL_DIR\fR (string)
+.RS 4
+邮箱目录。修改或删除用户账户时需要处理邮箱,如果没有指定,将使用编译时指定的默认值。
+.RE
+.PP
+\fBMAIL_FILE\fR (string)
+.RS 4
+定义用户邮箱文件的位置(相对于主目录)。
+.RE
+.PP
+The
+\fBMAIL_DIR\fR
+and
+\fBMAIL_FILE\fR
+variables are used by
+\fBuseradd\fR,
+\fBusermod\fR, and
+\fBuserdel\fR
+to create, move, or delete the user\*(Aqs mail spool\&.
+.PP
+If
+\fBMAIL_CHECK_ENAB\fR
+is set to
+\fIyes\fR, they are also used to define the
+\fBMAIL\fR
+environment variable\&.
+.PP
+\fBMAX_MEMBERS_PER_GROUP\fR (number)
+.RS 4
+Maximum members per group entry\&. When the maximum is reached, a new group entry (line) is started in
+/etc/group
+(with the same name, same password, and same GID)\&.
+.sp
+默认值是 0,意味着组中的成员数没有限制。
+.sp
+此功能(分割组)允许限制组文件中的行长度。这对于确保 NIS 组的行比长于 1024 字符。
+.sp
+如果要强制这个限制,可以使用 25。
+.sp
+注意:分割组可能不受所有工具的支持(甚至在 Shadow 工具集中)。您不应该使用这个变量,除非真的需要。
+.RE
+.PP
+\fBPASS_MAX_DAYS\fR (number)
+.RS 4
+一个密码可以使用的最大天数。如果密码比这旧,将会强迫更改密码。如果不指定,就假定为 \-1,这会禁用这个限制。
+.RE
+.PP
+\fBPASS_MIN_DAYS\fR (number)
+.RS 4
+两次更改密码时间的最小间隔。将会拒绝任何早于此的更改密码的尝试。如果不指定,假定为 \-1,将会禁用这个限制。
+.RE
+.PP
+\fBPASS_WARN_AGE\fR (number)
+.RS 4
+密码过期之前给出警告的天数。0 表示只有只在过期的当天警告,负值表示不警告。如果没有指定,不会给警告。
+.RE
+.PP
+\fBSUB_GID_MIN\fR (number), \fBSUB_GID_MAX\fR (number), \fBSUB_GID_COUNT\fR (number)
+.RS 4
+If
+/etc/subuid
+exists, the commands
+\fBuseradd\fR
+and
+\fBnewusers\fR
+(unless the user already have subordinate group IDs) allocate
+\fBSUB_GID_COUNT\fR
+unused group IDs from the range
+\fBSUB_GID_MIN\fR
+to
+\fBSUB_GID_MAX\fR
+for each new user\&.
+.sp
+The default values for
+\fBSUB_GID_MIN\fR,
+\fBSUB_GID_MAX\fR,
+\fBSUB_GID_COUNT\fR
+are respectively 100000, 600100000 and 65536\&.
+.RE
+.PP
+\fBSUB_UID_MIN\fR (number), \fBSUB_UID_MAX\fR (number), \fBSUB_UID_COUNT\fR (number)
+.RS 4
+If
+/etc/subuid
+exists, the commands
+\fBuseradd\fR
+and
+\fBnewusers\fR
+(unless the user already have subordinate user IDs) allocate
+\fBSUB_UID_COUNT\fR
+unused user IDs from the range
+\fBSUB_UID_MIN\fR
+to
+\fBSUB_UID_MAX\fR
+for each new user\&.
+.sp
+The default values for
+\fBSUB_UID_MIN\fR,
+\fBSUB_UID_MAX\fR,
+\fBSUB_UID_COUNT\fR
+are respectively 100000, 600100000 and 65536\&.
+.RE
+.PP
+\fBSYS_GID_MAX\fR (number), \fBSYS_GID_MIN\fR (number)
+.RS 4
+Range of group IDs used for the creation of system groups by
+\fBuseradd\fR,
+\fBgroupadd\fR, or
+\fBnewusers\fR\&.
+.sp
+The default value for
+\fBSYS_GID_MIN\fR
+(resp\&.
+\fBSYS_GID_MAX\fR) is 101 (resp\&.
+\fBGID_MIN\fR\-1)\&.
+.RE
+.PP
+\fBSYS_UID_MAX\fR (number), \fBSYS_UID_MIN\fR (number)
+.RS 4
+Range of user IDs used for the creation of system users by
+\fBuseradd\fR
+or
+\fBnewusers\fR\&.
+.sp
+The default value for
+\fBSYS_UID_MIN\fR
+(resp\&.
+\fBSYS_UID_MAX\fR) is 101 (resp\&.
+\fBUID_MIN\fR\-1)\&.
+.RE
+.PP
+\fBUID_MAX\fR (number), \fBUID_MIN\fR (number)
+.RS 4
+Range of user IDs used for the creation of regular users by
+\fBuseradd\fR
+or
+\fBnewusers\fR\&.
+.sp
+The default value for
+\fBUID_MIN\fR
+(resp\&.
+\fBUID_MAX\fR) is 1000 (resp\&. 60000)\&.
+.RE
+.PP
+\fBUMASK\fR (number)
+.RS 4
+文件模式创建掩码初始化为此值。如果没有指定,掩码初始化为 022。
+.sp
+\fBuseradd\fR
+and
+\fBnewusers\fR
+use this mask to set the mode of the home directory they create if
+\fBHOME_MODE\fR
+is not set\&.
+.sp
+It is also used by
+\fBlogin\fR
+to define users\*(Aq initial umask\&. Note that this mask can be overridden by the user\*(Aqs GECOS line (if
+\fBQUOTAS_ENAB\fR
+is set) or by the specification of a limit with the
+\fIK\fR
+identifier in
+\fBlimits\fR(5)\&.
+.RE
+.PP
+\fBUSERGROUPS_ENAB\fR (boolean)
+.RS 4
+如果 uid 和 gid 相同,用户名和主用户名也相同,使非 root 组的组掩码位和属主位相同 (如:022 \-> 002, 077 \-> 007)。
+.sp
+If set to
+\fIyes\fR,
+\fBuserdel\fR
+will remove the user\*(Aqs group if it contains no more members, and
+\fBuseradd\fR
+will create by default a group with the name of the user\&.
+.RE
+.SH "文件"
+.PP
+/etc/passwd
+.RS 4
+用户账户信息。
+.RE
+.PP
+/etc/shadow
+.RS 4
+安全用户账户信息。
+.RE
+.PP
+/etc/group
+.RS 4
+组账户信息。
+.RE
+.PP
+/etc/gshadow
+.RS 4
+安全组账户信息。
+.RE
+.PP
+/etc/default/useradd
+.RS 4
+账户创建的默认值。
+.RE
+.PP
+/etc/skel/
+.RS 4
+包含默认文件的目录。
+.RE
+.PP
+/etc/subgid
+.RS 4
+Per user subordinate group IDs\&.
+.RE
+.PP
+/etc/subuid
+.RS 4
+Per user subordinate user IDs\&.
+.RE
+.PP
+/etc/login\&.defs
+.RS 4
+Shadow 密码套件配置。
+.RE
+.SH "退出值"
+.PP
+The
+\fBuseradd\fR
+command exits with the following values:
+.PP
+\fI0\fR
+.RS 4
+success
+.RE
+.PP
+\fI1\fR
+.RS 4
+can\*(Aqt update password file
+.RE
+.PP
+\fI2\fR
+.RS 4
+invalid command syntax
+.RE
+.PP
+\fI3\fR
+.RS 4
+invalid argument to option
+.RE
+.PP
+\fI4\fR
+.RS 4
+UID already in use (and no
+\fB\-o\fR)
+.RE
+.PP
+\fI6\fR
+.RS 4
+specified group doesn\*(Aqt exist
+.RE
+.PP
+\fI9\fR
+.RS 4
+username already in use
+.RE
+.PP
+\fI10\fR
+.RS 4
+can\*(Aqt update group file
+.RE
+.PP
+\fI12\fR
+.RS 4
+can\*(Aqt create home directory
+.RE
+.PP
+\fI14\fR
+.RS 4
+can\*(Aqt update SELinux user mapping
+.RE
+.SH "参见"
+.PP
+\fBchfn\fR(1),
+\fBchsh\fR(1),
+\fBpasswd\fR(1),
+\fBcrypt\fR(3),
+\fBgroupadd\fR(8),
+\fBgroupdel\fR(8),
+\fBgroupmod\fR(8),
+\fBlogin.defs\fR(5),
+\fBnewusers\fR(8),
+\fBsubgid\fR(5), \fBsubuid\fR(5),
+\fBuserdel\fR(8),
+\fBusermod\fR(8)\&.