A communication end-point is identified by
1.ip address
2.port number
3.both IP address and port number
4.none of the mentioned
Posted Date:-2021-06-30 11:27:02
A server which is handling many clients at a time is called as
1.single server
2.multiserver
3.concurrent server
4.iterative server
Posted Date:-2021-06-30 11:27:02
A server which is handling one client at a time is called as
1.single server
2.multiserver
3.concurrent server
4.iterative server
Posted Date:-2021-06-30 11:27:02
Collection of files is called as a
1.Directory
2.Root
3.Field
4.Home
Posted Date:-2021-06-30 11:27:02
Command used to check shared memory is
1.ipcs
2.ipcs -m
3.ipcs -s
4.ipcs -q
Posted Date:-2021-06-30 11:27:02
Daemon process is a?
1.group leader
2.ession leader
3.orphan process
4.all of the mentioned
Posted Date:-2021-06-30 11:27:02
For what based of PC’s, Linux was specifically designed?
1.Intel
2.HCL
3.Wipro
4.IBM
Posted Date:-2021-06-30 11:27:02
From where did the file system can be used to unambiguously identified and referenced?
1.Tree structure
2.Folders
3.Home directory
4.Root directory
Posted Date:-2021-06-30 11:27:02
he terminal used by a Daemon process is:
1.any terminal
2.no terminal
3.root terminal
4.system console
Posted Date:-2021-06-30 11:27:02
How much of memory space is occupied by Linux?
1.4 MB
2.6 MB
3.8 MB
4.12 MB
Posted Date:-2021-06-30 11:27:02
In Linux hard disk partition, hda2, a stands for the __
1.first hard drive
2.first partition
3.second partition
4.second hard drive
Posted Date:-2021-06-30 11:27:02
Linux default shell is
1.BAH shell
2.SH shell
3.ASH shell
4.BASH shell
Posted Date:-2021-06-30 11:27:02
Message queues are created in
1.userspace
2.kernelspace
3.userspace & kernelspace
4.none of the mentioned
Posted Date:-2021-06-30 11:27:02
Monolithic kernel
1.is highly extensiblity
2.has less run time overhead
3. smaller than micro level
4.suitable for real time system
Posted Date:-2021-06-30 11:27:02
One process requires M resource to complete a job. What should be the minimum number of resources available for N processes so that at least one process can continue to execute without blocking/waiting?
1.M * N
2.M * N – 1
3.M * N + 1
4.M
Posted Date:-2021-06-30 11:27:02
Pick the run level to run Linux in multi user mode with networking?
1.0
2.3
3.5
4.6
Posted Date:-2021-06-30 11:27:02
Race condition can be avoided by using
1.semaphore
2.mutex
3.socket
4.both semaphore & mutex
Posted Date:-2021-06-30 11:27:02
Runlevel system command is used for?
1.getting the present and previous runlevel of the system
2.setting the runlevel attribute of the system in the inittab file
3.can be used to restart or reboot the system
4.all of the mentioned
Posted Date:-2021-06-30 11:27:02
Section 2 of manpage describes
1.Commands
2.System calls
3.Function calls
4.Drivers
Posted Date:-2021-06-30 11:27:02
Semaphore P( ) operation usually does the following:
1.descrements the semaphore count and the process sleeps if needed
2.increments the semaphore count
3.wakes up a sleeping process
4.none of the mentioned
Posted Date:-2021-06-30 11:27:02
Single dot (.) with cd refers to ___
1.Change directory
2.Created directory
3.Current directory
4.Parent directory
Posted Date:-2021-06-30 11:27:02
Sysconf(_SC_PAGE_SIZE) returns?
1.size of the page
2.max size of the page
3.min size of the page
4.paging allowed or not
Posted Date:-2021-06-30 11:27:02
System call can be implemented using which assembly instruction(s) on x86 processors?
1.int 0×80
2.sysenter
3.both int 0×80 & sysenter
4.None
Posted Date:-2021-06-30 11:27:02
The complete path name of a file or directory is
1.Root name
2.Tree name
3.Relative path name
4.Absolute path name
Posted Date:-2021-06-30 11:27:02
The file name can be up to ___ character.
1.253
2.254
3.255
4.256
Posted Date:-2021-06-30 11:27:02
The prompt of the root user is
1.@
2.#
3.%
4.$
Posted Date:-2021-06-30 11:27:02
The structure which keeps the information about shared memory in the kernel is
1.struct ipc_perm
2.struct semid_ds
3.struct shmid_ds
4.struct msgid_ds
Posted Date:-2021-06-30 11:27:02
UNIX/Linux kernel is?
1.Monolithic
2.Micro
3.Exo
4.Nano
Posted Date:-2021-06-30 11:27:02
What is the other name of new shell?
1.Baby shell
2.Junior shell
3.Child shell
4.Assistant shell
Posted Date:-2021-06-30 11:27:02
What is the persistancy level of Shared memory segments?
1.signal
2.process
3.file system
4.kernel
Posted Date:-2021-06-30 11:27:02
What should be the minimum length of a password?
1.5
2.6
3.7
4.8
Posted Date:-2021-06-30 11:27:02
What type of editing is possible by Ed editor?
1.One command
2.One file
3.One line
4.One page
Posted Date:-2021-06-30 11:27:02
What was the first version of Linux?
1.1.0
2.0.11
3.1.01
4.0.1
Posted Date:-2021-06-30 11:27:02
When we want replace a file system we have to ____ the present file system.
1.Cancel
2.Remove
3.Unmount
4.Mount
Posted Date:-2021-06-30 11:27:02
Where do the users arrive after entering exit in Linux system?
1.Login screen
2.Internet
3.Logout screen
4.Login prompt
Posted Date:-2021-06-30 11:27:02
Which call to use to set the resource count of semaphore?
1.semget( )
2.semctl( )
3.sem_setcount( )
4.sem_set_count( )
Posted Date:-2021-06-30 11:27:02
Which command is called as the end-of-file command?
1.Ctrl+ V
2.Ctrl+ B
3.Ctrl+ D
4.Ctrl+ C
Posted Date:-2021-06-30 11:27:02
Which feature is used to prevent overwriting an existing file the redirection operation?
1.Mkfs
2.Man
3.Cat
4.Noclobber
Posted Date:-2021-06-30 11:27:02
Which has excellent support for older hardware?
1.Unix
2.Linux
3.Minix
4.Xenix
Posted Date:-2021-06-30 11:27:02
Which is Fastest IPC?
1.Message Queue
2.shared memory
3.Socket
4.All of the mentioned
Posted Date:-2021-06-30 11:27:02
Which is not the correct option for removing a message queue
1.ipcrm -Q
2.ipcrm -q
3.ipcrm -m
4.none of the mentioned
Posted Date:-2021-06-30 11:27:02
Which of the following exec call is a system call?
1.execl
2.execlp
3.execve
4.execvp
Posted Date:-2021-06-30 11:27:02
Which of the following is called as the piping symbol?
1._
2.|
3. ~
4. !
Posted Date:-2021-06-30 11:27:02
Which of the following is called as the redirection operator for output?
1.=
2.<<
3.<
4.>
Posted Date:-2021-06-30 11:27:02
Which system call is used to create Sys V message Queue.
1.msgget
2.shemget
3.semget
4.msgctl
Posted Date:-2021-06-30 11:27:02
Who are placeholders to store values?
1.Constants
2.Variables
3.OS
4.Shell
Posted Date:-2021-06-30 11:27:02
Who can change the password of any user?
1.Everyone
2.SA
3.Supervisor
4.End-user
Posted Date:-2021-06-30 11:27:02
x86 architecture uses big endian or little endian addressing mechanism?
1. little-endian
2.endian
3.big-endian
4.none of the mentioned
Posted Date:-2021-06-30 11:27:02
___ command clears the screen.
1.Clear
2.Cls
3.Clear all
4.Clean screen
Posted Date:-2021-06-30 11:27:02
__________ timer is decremented only when the process is executing
1.ITIMER_REAL
2.ITIMER_VIRTUAL
3.ITIMER_PROF
4.None of the mentioned
Posted Date:-2021-06-30 11:27:02