Linux-User rights and Disk Management

Linux-User rights and Disk Management

1. User Group and Rights management
A, add 4 users u1 U2 U3 U4. And see if the profile is increased successfully. Disable U2, test effect, restart U2, test effect;
B, delete the account U1 and home directory.
C, the password to modify U3: Mashen
D, add the group G1,G2, the user U2 join G2 Group, and the G1 group deleted.
E, use the root user to create a new file AA, and use the VI editor in AA to write "Welcome to java5!".
F, and then for the AA authorization, the file owner from root to U3, the file belongs to the group to G2, the owner has all the permissions, the group G2 can write, the other user U4 can only view.


2. Files related to Disk Management
A, the use of a virtual machine to add a 15G disk, the disk format into XFS, create a new directory disk, and boot can automatically mount to this directory;
B, through the WINSCP to prepare a WINSCP installation EXE file to this disk directory

C. Download this file to Windows Local via SECURECRT in disk

Linux-User rights and Disk Management