linux commands for interview

This article will bring about 11 basic Linux interview questions, hoping to help friends who are about to change jobs or looking for relevant work. Q.1: What is the core of the Linux operating system? Shell Kernel Command Script Terminal A: Kernel is the core of the Linux operating system. Shell is a Command lin

the process identification number of a program, and then the system kernel can operate on the processes specified by the process identification number. For example, in the top command, we see that the system runs many processes, and sometimes it needs to use kill to abort some processes to improve system resources. When explaining the installation and landing commands, it was mentioned that the function of multiple virtual consoles is to switch to an

Basic Search commands and information in Linux, and query commands in linux Searching for commands and hardware information is the most common operation for daily system management and maintenance. Next we will make a brief comparison of the Basic Search

Comparison of common DOS and Linux commands, common linux commands Comparison of common DOS and Linux commands Many Linux commands typed at

Linux interview question: How does Linux start? During the written examination, I took a test on the Linux system startup process. I did not answer the question at the time. Now I have sorted it out (which is not complicated ). After you press the power button until the welcome page is displayed, you can perform a tota

Summary of Linux running level and all shutdown commands, and linux-level shutdown commands What is a running level? Simply put, the running level is the function level currently running in the operating system. It allows some programs to start at one level, but does not start at another level. Valid logon modes for

One, the Linux CPU sizeCat/proc/cpuinfo |grep "model name" cat/proc/cpuinfo |grep "Physical ID"Description: Detailed information about each CPU can be seen in/proc/cpuinfo under Linux. But for a dual-core CPU, you will see two CPUs in the Cpuinfo. It is often mistaken for a two single-core CPU.You should actually differentiate between single-core and dual-core by physical Processor ID. The physical Process

Q: 1 How do I check the current operating level of a Linux server?A: The ' who-r ' and ' runlevel ' commands can be used to view the running level of the current Linux server.Q: 2 How do I see the default gateway for Linux?A: With the "Route-n" and "NETSTAT-NR" commands, we

Q: 1 How do I check the current operating level of a Linux server?A: The ' who-r ' and ' runlevel ' commands can be used to view the running level of the current Linux server.Q: 2 How do I see the default gateway for Linux?A: With the "Route-n" and "NETSTAT-NR" commands, we

20 Linux Command interview questions and answers below:Q: 1 How do I see the running level of the current Linux server? A: The ' who-r ' and ' runlevel ' commands can be used to view the running level of the current Linux server. 　　 Q: 2 How to view the

Linux executes multiple commands consecutively and linux Multiple commandsIf each command is separated by ";", the next command will be executed no matter whether the command at the front is successfully executed or not.Here, the echo in the second command is intentionally written to one o, and the command execution error does not affect subsequent command execut

Common Linux commands and common linux commands 1. User-relatedUseradd [user name] create a userPasswd [user name] change the password for the userSu-User Name SwitchingExit to the root user 2. Create files and directories(1) create a file: touch [file name](2) create a directory: mkdir (make directories)Mkdir-p [direc

Common commands for Linux O M: du and Common commands for linux: duThe commonly used du-sh * Linux du command is also used to view the space, but unlike the df command, the Linux du command is used to view the space used by files

Linux File Management commands and linux commands File command and Its Usage File: Type of the file content. Du command and Its Usage -S: -H: Read command and usage Describes the relationships and differences between the three open source protocols GPL, BSD, and Apache. Free Software Open source agreement, copyright d

data sent by the listener does not need to decrypt to see the content. How do you virtualize a Linux physical machine? Tell me some weird linux commands. Explains how HTTPS works. http://blog.csdn.net/sean_cd/article/details/6966130How HTTPS works Do you know Tor browser? Explain how it works. How do I trigger a forced system check the next time I st

Common commands in linux and Common commands in linux Common commands in linux. We should first learn some very basic commands, but the usage is very high. Otherwise, the subsequent cou

Linux search commands and Linux search commands Which command Which is used to find system commands, such as ls and cat. It is searched from the folder specified by the PATH variable. When the specified folder contains a binary file with the same name as the command, the pa

Linux operating system and common commands 2. Common commands in linux Date: Time Management Linux: Hardware clock: clock, hwclock Hwclock -W: Change the hardware clock -S: Change the system clock System clock: date Rtc: real time clock Ntp: net time protocol Get Command he

The first day of linux study, commonly used commands 1, commonly used linux commands Basic Principles of linux:1. composed of a single free applet, the applet is combined to complete the tasks in charge.2. Everything is a file,3. Try to avoid capturing user interfaces. That

Basic Linux commands and Linux commands Compression and decompression commands Compression: tar-zcvf appName.tar.gz. date appFileName (for example, tar-zcvf rc.tar.gz. 0513 rc) Decompress: tar-xvf tarFile Tar command details: Tar package compression;