Linux Command

Function Description: Turn off the group's projection password. Syntax: Grpunconv added: Execute grpunconv command to turn off the group projection password, which will store the password from the Gshadow file and back into the group file.

Function Description: Recalculate the contents of the parameters. Syntax: eval&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [Parameters] Supplemental Note: Eval can read a series of parameters and then perform them according to the characteristics of the parameters themselves. Parameters: Unlimited number of parameters, separated by semicolons.

Feature Description: Sets the alias for the directive. Syntax: alias[alias]=[directive name] Supplemental Description: User can use alias, custom instruction aliases.　If you only enter an alias, you can list all current alias settings. The alias's effect only extends to the operation of the login. To automatically set aliases every time you log in, you can set an alias for the directive in. Profile or. cshrc. Parameters: If you do not add any arguments, list all current alias settings.

What if you retrieve the root password you forgot when you use Lilo/grub? 1. In the system into a single user state, directly with passwd root to change; 2. Use the installation disc to boot the system, enter the Linux rescue State, the original/partition hook up, the order is as follows: Cd/mntmkdir hdmount-t Auto/dev/hdax ( The partition number where the original partition is located) HDCD hdchroot./passwd Root this can be done; 3.