⟩ Which type of devices are peripheral devices? a) platform devices b) system devices c) both (a) and (b) d) none of the mentioned
b) system devices
b) system devices
As we type "make" command on the terminal a) make reads the makefile in the current directory b) make reads the makefile in the parent directory c) make reads the makefile in the predefined environment variable d) none of the mentioned
If make command is executed as "make -j 2″, then a) two jobs will run simultaneously b) only two will be executed c) it will give an error d) none of the mentioned
The permission -rwxr-xr-t represented in octal expression will be a) 0777 b) 1755 c) 1754 d) 2754
With a umask value of 112, what is the default permission assigned to newly created regular file? a) -x-x-wx b) -rw-rw-r- c) -r-xr-x-r- d) -rw-rw-r-
Given the command $ chmod o-w datafile a) sets write permission to everyone for datafile b) sets write permission to others for datafile c) clears write permission to everyone for datafile d) clears write permission to others for datafile
Which make command option ignores all errors in commands executed to remark files? a) -i b) -j c) -k d) -l
Which command is used to assign read-write permission to the owner? a) chmod a+r file b) chmod o+r file c) chmod u=rw file d) chmod og-r file
If you are a root user, how can you grand execute permission only for the owner of the file project1? a. chmod +x project1 b. chmod u+x project1 c. chmod a+x project1 d. chmod U+X project1
A user executes the following command successfully $ chmod +x file1.txt Which of the following is true of the output of this command? a) The command results in adding execute permission to the user who ran this command b) The command results in adding execute permission for the owner of the file c) The command results in an error since the file is not an executable file d) The command results in adding execute permission for all users (i.e., user,group & others)
Which of these commands will set the permissions on file textfile to read and write for the owner, read for the group, and nothing for everyone else? a) chmod 046 textfile b) chmod 640 textfile c) chmod 310 textfile d) chmod rw r nil textfile