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Mod 8 Day 2 > Mod 8 Day 2 > Flashcards

Mod 8 Day 2 Flashcards

1
Q

Linux command used to view system calls accessed during the execution of a command

A

Strace

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2
Q

File from where init daemon gets its instructions

A

etc/inittab

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3
Q

Sets or prints the limits imposed on files written by the shell and its processes

A

Ulimit

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4
Q

Linux process that monitors the console for login request

A

Getty or mingetty

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5
Q

Command used to verify current run level

A

Who -r

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6
Q

Solaris process that monitors the console for logon request

A

Ttymon

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7
Q

File where Master copies of the startup scripts reside

A

/etc/init.d

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8
Q

Command used to view system calls access during execution of a command on a Solaris system

A

Truss

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9
Q

This system call return system information about the platform

A

Uname

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10
Q

*nix command used to change current run level

A

Init

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11
Q

Action within the inittab used for system initialisation; e.g. checks file systems, activate Swap, and sets hostname

A

Sysinit

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12
Q

This Linux command list current startup information and changes start up information for services. It also manages xinetd scrips via the configuration files in /etc/xinetd.d

A

Chkconfig

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13
Q

Similar to Windows Task Manager this *nix tool is used to view system processes and their states

A

Ps

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14
Q

Allows a device driver or any other kernel service to be linked into and removed from the kernel while it’s running

A

LKM (loadable kernel modules) support

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15
Q

Solaris command that list modules currently loaded

A

Modinfo

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16
Q

The Solaris kernel is configured at boot time and can be modified by user. Where are the settings located?

A

etc/system file

17
Q

Solaris command used to display kernel parameters and values

A

Sysdef

18
Q

Linux command used to display status of loadable Kernel modules

A

Lsmod

19
Q

Linux command used to see all possible kernel parameters

A

Sysctl -a

20
Q

Linux file where all kernel values are loaded when system boots

A

/etc/sysctl.conf

21
Q

Process Interruption caused by some event external to the current running process. A signal generated by the hardware.

A

Interrupt

22
Q

Error or exception condition generated within current running process, software written to catch an exception generated by the CPU.

A

Trap

23
Q

Used to view current running processes and their states

A

PS -elf

24
Q

This performs a power-on self-test in the MBR is executed from /etc/rc.d/rd*.d and spawns a login.

A

Basic input / output phase BIOS

25
Q

This is the single most important piece of software on the system, it’s dynamically configurable with the capability to make changes during boot. Executes /sbin/init

A

GRUB

26
Q

The default run level in Solaris is __ and in Linux it is __

A

3

5

27
Q

A directory for each run level is located in

A

/etc/rc.d directory

28
Q

The ___ is a utility; a script that controls the automatic boot process after being called by init.

A

rc (run control) script

29
Q

User limits imposed on resources are set in?

A

/etc/security/limits.conf

30
Q

Unix does not apply a system call that creates a new process running a particular program, instead an existing process clones itself to create a new process by using the fork system call

A

Parent PID

31
Q

Kernel assigns a unique ID number to every process

A

Process ID PID

32
Q

these files are created either when an executing process is terminated by a kill signal or when something goes wrong during process execution

A

Core dump files

33
Q

What are the three characteristics of core files

A

Size
Purpose
Security

34
Q

This is determined by the amount of memory consumed by a process during its execution

A

Core file size

35
Q

______ ______ are intended to debug application programs to identify problems

A

Core files purpose

Mod 8 Day 2 (1 decks)

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