Fill in the blank
1.GNU meaning free operating system
2.Linux core generally has three main parts, the command interpreter layer, Utility
3.POSIX is an acronym for Portable Operating System Interface, focusing 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 Linux applications can be divided into two aspects of embedded and server.
5.Linux version is divided into kernel version, release two versions.
6. Install Linux requires a minimum of two partitions, with each partition is the swap partition
7.Linux default system administrator account is the root
Multiple Choice
1.Linux was first used by computer enthusiasts (B) development.
A.Richard Petersen B.Linus Torvalds C.Rob Pick D.Linux Sarwar
2. The following options, (C) is free software.
A.Windows XP B.UNIX C.Linux D.Windows 2008
3. The following options, (B) is not a Linux features.
A. single-user multi-tasking B. C. D. open device independence
4.Linux kernel version is 2.3.20 (A) version.
A. B. stable C. unstable third revision D. Second Amendment
5.Linux hard disk partition during installation tool (B).
A.PQmagic B.FDISK C.FIPS D.Disk Druid
6.Linux root partition system type may be provided (C).
A.FAT16 B.FAT32 C.ext4 D.NTFS
three. Short answer
1. DESCRIPTION Architecture Linux
A complete operating system includes four parts: hardware, operating system kernel, operating system services, and user applications. Core divided into two modes: single kernel, microkernel. Single core, compact, fast, but the level is not strong. linux0.11 is a single-core
2. Use the virtual machine to install Linux system, why did you choose to install the operating system later, instead of choosing rhel7 system image CD?
3. The role of brief rpm and yum depot
When the UE needs to install an upgrade, the container will require updating yum list, the list is updated to the machine / var / cache / yum in. When the end user real-time update installation will be performed by the machine rpm database list and compare the machine, so you know what to download the software. The next will go to the container yum server (yum server) to download the required software, then by the mechanism rpM begin installing the software, this is the entire process, but still can not be separated rpm
4. Install red hat enterprise linux system basic disk partition What?
Primary partition, extended partition, logical partitions
5.red hat enterprise linux system supported file types What?
1, plain text files (ASCII): This is one of the most Unix systems file type is called a plain text file, because the content can be directly read data, such as numbers, letters, and so on. Set file almost all belong to this file type. For example, use the command "cat ~ / .bashrc" you can see the contents of the file (cat is to read out the contents of the file).
2, binary files (binary): In fact, the system can only recognize and execute binary file (binary file). Linux executable files (scripts, batch files, not text mode) is in this format. For example, the command is a binary cat.
3, data file formats (data): Some programs during operation, reads some files in a specific format, those specific file format can be called a data file (data file). For example, Linux upon user login, registration data will be recorded in / var / log / wtmp file is a data file that can be read out by the last command. However, when using the cat, it will read out garbled. Because it belongs to a special file format.
6. How to solve the root password is lost?
Implementation steps, single-user mode of operation
7.rhel7 system uses systemd as the initialization process, then how to view the status of a service running?