Linux Systems Interview Preparation Guide Download PDF
Linux Systems frequently Asked Questions by expert members with experience in Linux OS Systems. These questions and answers will help you strengthen your technical skills, prepare for the new job test and quickly revise the concepts
21 Linux OS Systems Questions and Answers:
Table of Contents
4 :: Tell me which command is used to check filesystem usage in a system?
a) mount
b) df
c) du
d) dd
b) df
7 :: Tell me which among the following allows fast file system recovery?
a) Ext2
b) Journaling
c) Caching
d) Sysfs
b) Journaling
8 :: Monolithic kernel:
a) is highly extensiblity
b) has less run time overhead
c) smaller than micro level
d) Suitable for real time system
b) has less run time overhead
13 :: Which of the following exec call is a system call?
a) execl
b) execlp
c) execve
d) execvp
c) execve
15 :: Daemon process is a?
a) group leader
b) session leader
c) orphan process
d) all the above
d) all the above
16 :: ______________ timer is decremented only when the process is executing:
a) ITIMER_REAL
b) ITIMER_VIRTUAL
c) ITIMER_PROF
d) None of the above
b) ITIMER_VIRTUAL
17 :: Sysconf(_SC_PAGE_SIZE) returns?
a) size of the page
b) max size of the page
c) min size of the page
d) PAGING ALLOWED OR NOT
a) size of the page
18 :: The terminal used by a Daemon process is:
a) any terminal
b) no terminal
b) root terminal
d) system console
b) no terminal
19 :: Section 2 of manpage describes:
a) Commands
b) System calls
c) Function calls
d) Drivers
b) System calls
20 :: Shared memory can be used for?
a) read only operations
b) append
c) read or read write operations
d) write only
c) read or read write operations