Linux Interview questions :1.Linux Common system security commands sudo // Super user su // Used to switch the current user identity to o...
BASH commands are case sensitive while DOS commands are not case sensitive. DOS follows a convention in naming files. In DOS, 8 character file name is followed by a dot and 3 characters for the extension. BASH doesn't follow such convention. 22) What is a root account? The root account ...
(LCTT译注,据网友反馈,其实返回码不仅仅是Shell的特性,而应该是POSIX系统的系统级特性。) via:http://www.tecmint.com/10-useful-interview-questions-and-answers-on-linux-commands/ 原文作者: 译者:su-kaiyao校对:Caroline 本文由LCTT原创翻译,Linux中国...
指定-v,-vv或-vvv来获取越来越详细的输出,加上-r参数的话,命令的输出则会更具有易读性。 via:http://www.linuxtechi.com/20-linux-commands-interview-questions-answers/
Internal commands are also called shell built-in commands. Example: cd,fg. Since these are shell built-in, no process is created while executing these commands, and hence are considered to be much faster. Ref:Internal vs External command. ...
Ans. A shell is a program that acts as an interface between the user and operating system, allowing the user to execute commands e.g. Bourne shell(sh), bash(Bourne Again Shell), etc. Linux Interview Questions Ques.7. What is a swap space? What are its advantages?
What is "nohup" used for? What is the difference between these two commands? myvar=hello export myvar=hello How many NTP servers would you configure in your local ntp.conf? What does the column 'reach' mean in ntpq -p output?###[⬆] Hard Linux Questions:What...
Linux Device Driver Interview Questions Linux Device Model (LDM) Explain about the Linux Device Model (LDM)? Explain about about ksets, kobjects and ktypes. How are they related? Questions about sysfs. Linux Boot Sequence Explain about the Linux boot sequence in case of ARM architecture?
What commands do you know that can be used to check DNS records? What Unix/Linux commands will alter a files ownership, files permissions? What does chmod +x FILENAME do? What does the permission 0750 on a file mean? What does the permission 0750 on a directory mean? How to add a ne...
Bash is an application. When the user opens a text or terminal window into Linux, they run a Bash shell where they enter commands interpreted and executed by the Bash shell. 6. Describe the root account. Root is the superuser account in Linux. As the system administrator, this user has ...