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:Avishek Kumar 译者:su-kaiyao校对:Caroline 本文由LCTT原创翻译,Linux中国荣誉推出...
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/ Pradeep Kumar译者:ZTinoZ校对:wxy
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?
A shell script allows you to submit a set of commands to the kernel in a batch. In addition, the shell itself is very powerful with many properties on its own, be it for string manipulation or some basic programming stuff. Ref: What is Shell Scripting? 2. The command "cat file" ...
[⬆] Medium Linux Questions:What do the following commands do and how would you use them? tee awk tr cut tac curl wget watch head tail less cat touch sar netstat tcpdump lsof What does an & after a command do? What does & disown after a command do? What is a packet filter and ...
The Command Line Interface (CLI) allows the user to enter declarative commands for the OS to execute. 26. What is GUI? The Graphical User Interface (GUI) renders images users can interact with to communicate with the computer. For example, a button to be clicked. ...
10. Common performance analysis and diagnostic commands top, htop, vmstat, iostat, sar, strace, tcpdump, netstat, lsof, etc. 11. What is process interruption, soft interrupt, hard interrupt? Process interruption: Interrupts a process to allow the system to perform other tasks. ...
Explan about the various gdb commands. Miscellaneous How are the atomic functions implemented in case of ARM architecture? Solution How is container_of( ) macro implemented? Explain about system call flow in case of ARM Linux. What 's the use of __init and __exit macros?