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
Fill down the selection the same content of selected cell
Enter the date
Enter the time
Repeat the last action
Insert a hyperlink
To open the format cells dialog box
Short cut to apply date format with day, month and year
For debugging shell Scripts which command is used?
what are the system variables in unix?
which commans are used to manipulate the ownership of file or directory?