Create a new user named "add ROOT permission" and "configure" in ubuntu. The "TAB key" cannot be used 」

Create a new user named "add ROOT permission" "configuration" "cannot use the TAB key" in ubuntu. 1. create a user named www.2cto. comadduser create user name passwd create user name add new user 2. create home directory # cd/home1. create home directory: # m...
Create a new user "add ROOT permission" "configuration" "cannot use the TAB key" 1. create a user www.2cto.com adduser create a user name passwd create a user name to add a new user 2, create a home directory # cd/home1. create a home directory: # mkdir create a user name 2. copy the environment variable Template File: # cp/etc/skel /. B * support # cp/etc/skel /. p * support 3. modify permission # chown-R support. support # chmod 770 support www.2cto.com 3. Grant ROOT permission Method 1: modify the/etc/sudoers file, find the following line, and comment the preceding line (#) remove ## Allows people in group wheel to run all commands % wheel ALL = (ALL) ALL And then modify the user to belong to the root group (wheel). The command is as follows: # usermod-g after the root user name is modified, you can now log on with the new user name account, and then use the command su -, you can get the root permission to perform the operation. Method 2: modify the/etc/sudoers file, find the following line, and add a line under root, as shown below: # Allow root to run any commands anywhereroot ALL = (ALL) the name ALL = (ALL) ALL of the new users has been modified. now, you can log on with the new username account and run the su-command to obtain the root permission for the operation. 4. you cannot use the TAB key or up/down key. the command line does not display the current path. this is a common account created by default for ubuntu. the default shell is/bin/sh, this does not support tabs and other keys, so you can change the shell of the "specified user" account to/bin/bash. 1. view the current shell: # echo $ SHELL/bin/sh2. modify shell to/bin/bash: # usermod-s/bin/bash username