3.Linux Common user management commands id // It can display real and effective users ID(UID) And groups ID(GID). usermod // Used to modify the user's basic information . useradd // be used for Linux New system user created in . groupadd // Used to create a new workgroup , Inform...
CLI stands for Command Line Interface. It is an interface that allows users to type declarative commands to instruct the computer to perform operations. 24) What is the GUI? GUI stands for Graphical User Interface. It uses the images and the icons which are clicked by the users to communicat...
Ans. Both more and less commands are used for viewing large files page wise. Unlike any editor like vi, using these commands for opening a file does not load the whole file in memory. One limitation of more command is, we can only scroll down but not up. Whereas, using less command, ...
Shell scripting, in Linux or Unix, is programming with the shell using which you can automate your tasks. A shell is the command interpreter which is the interface between the User and the kernel. A shell script allows you to submit a set of commands to the kernel in a batch. In additi...
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? You need to upgrade kernel at 100-1000 servers, how you ...
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?
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? You need to upgrade kernel at 100-1000 servers, how you ...
Check for interface errors and dropped packets using ifconfig or ip commands. Use tcpdump or wireshark to capture and analyze network traffic. 10. Common performance analysis and diagnostic commands top, htop, vmstat, iostat, sar, strace, tcpdump, netstat, lsof, etc. ...
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. ...
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 ...