Operating System Architecture Set 26 MCQs

This set of Operating System Architecture Multiple Choice Questions & Answers (MCQs) focuses on Operating System Architecture Set 26

Q1 | The following commands gives the output like this #cat file1 file2#cat: file1: No such file or directory helloIf we execute the command “cat file1 file2 1>2 2>&1” the output would be

cat: file1: no such file or directory hello

no output is displayed

cat: 1>2: no such file or directory

hello

Q2 | cat < file1 >> file2 | file3

file1 content will be appended to file2 and finally stored in file3

file1 content will be appended to file2 and file3 will be ignored

file2 and file3 will have same content

syntax error

Q3 | Executing cat /etc/password > /dev/sda as superuser will

write data into a regular file called/dev/sda

write data to the physical device sda

none of the above

Q4 | rom where would the read statement read if the following statements were executed? exec < file1 exec < file2 exec < file3 read line

it would read all the files

it would not read any files

t would read all the files in reverse order

it would read only file3