1. GUN is the meaning of (GNU's Not UNIX)
2. Linux generally have three main parts (core, layer of the command interpreter, utility)
3.POSIX is (Portable Operating System Interface) acronym, with emphasis on standardized interface between the core and the application, which is a standard published by the American Institute of Electrical and Electronics Engineers (IEEE).
4. The current common applications can be divided into Linux (command line) and (graphical) two aspects.
5.Linux version is divided into (a commercial company maintenance releases) and (CBOs maintenance releases) two kinds.
6. Linux installation requires a minimum of two partitions, namely (swap swap and / partitions (root partition))
7. Linux is the default system administrator account (root)
1. Linux was first developed by computer enthusiasts B's.
A. Richard Petersen B. Linus Torvalds
C. Rob Pick D. Linux Sarwar
2. The following C is free software.
A. Windows XP B. UNIX
C. Linux D. Windows 2000
3. The following B is not Linux features.
A. B. single-user multi-tasking
C. device independence. D. open
4. Linux kernel version is 2.3.20 version A.
A. B. unstable stable
C. D. third revision of the Second Amendment
5. Linux installation tools hard disk partition D
A. PQmagic B. FDISK
C. FIPS D. Disk Druid
6. Linux root partition system type is a C
A. FATI6 B. FAT32
C. ext3 D. NTFS
III. Short answer
1. Briefly Linux architecture.
application
Operating System: The system call interface, the kernel
Hardware, user mode, kernel mode
2. Use the virtual machine to install Linux system, why did you choose to install the operating system later, instead of choosing RHEL17
CD system image?
Choose to install the operating system later, the opportunity to deploy virtual minimal Linux system by default to your installation strategy.
3. Description of the role of RPM and Yum depot.
Analysis relies environment software when installing the software RMP will depend attribute data and software for client host contrast, Yum can then use the disposable container downloaded from the URL server Yum install the required software dependencies
4. Install Red Hat Enterprise Linux
swap swap partition / partition
System 5. Red Hat Enterprise Linux supported file types are there?
Ordinary files, directories, files, character device file and block device files, symbolic links, files, etc.
6. How to solve the root password is lost?
GRUB appears after restarting the system in the boot loader menu, select with the up and down direction you forget the system password, type "e" key to enter edit mode. Then you can see the screen as shown below, and then you arrow keys to select the latest kernel (this is the second line, Kernel .......), and continue to press "e" key. Then add back editing interface rhgb quiet "space" and type "SINGLE", or to input "1" is determined and the transport number.
After the transport, according to "b" to start to enter the single-user mode, where modifying root password.
7. RHEL7 system uses systend as the initialization process, then how to view the status of a service running?
RHEL 7 RHEL 7 system is to use systemctl commands to manage the service.