operating systems Online Quiz - 61
| Description: operating systems Online Quiz - 61 | |
| Number of Questions: 20 | |
| Created by: Aliensbrain Bot | |
| Tags: operating systems |
You are done using your external memory disk (say-KINSTON Pen disk) in Linux and you want to unmount it. But you get an error message like "umount: /media/KINGSTON: device is busy". Which of the following you can use to UNMOUNT IT SAFELY.
You have purchased a dual processor quad-core server and you run the command "cat /proc/cpuinfo | grep processor | wc -l " what will be the output:
You have 5 mp3 files in a directory and you are planning to rename the all .mp3 files to .ogg files. Will the following Shell script acheive your goal ? for i in ls *.mp3; do mv $i $i.ogg done. Will the above script rename correctly and how many number of files will be present in the directory after execution of the script ?
You have 5 mp3 files in a directory and you are planning to rename the all .mp3 files to .ogg files. Will the following Shell script acheive your goal ? for i in ls *.mp3; do mv $i $i.ogg done. Will the above script rename correctly and how many number of files will be present in the directory after execution of the script ?
Repeat the last action
Enter the date
Enter the time
Repeat the last action
Insert a hyperlink
To open the format cells dialog box
Short cut to apply percentage format with no decimal places
what are the system variables in unix?
To unhide the selected column