RenDC

» Interview Questions and Answers » Questions » News Feed » Tutorials » rendc.com

Linux Debugging

Home Operating System Linux Linux Debugging

“Linux Debugging frequently Asked Questions by expert members with experience in Debugging. These questions and answers will help you strengthen your technical skills, prepare for the new job test and quickly revise the concepts”

80 Linux Debugging Questions And Answers

21⟩ Which GDB command prints the value of a variable in hex. a) print/x b) print/h c) print/e d) none of the mentioned

a) print/x

Is this answer helpful? 0 Yes | 0 No

Answer This Question

235 views

22⟩ Which GDB command interrupts the program whenever the value of a variable is modified and prints the value old and new values of the variable? a) watch b) show c) trace d) none of the mentioned

a) watch

Is this answer helpful? 0 Yes | 0 No

Answer This Question

229 views

23⟩ Which GDB command produces a stack trace of the function calls that lead to a segmentation fault? a) trace b) backtrace c) forwardtrace d) none of the mentioned

b) backtrace

Is this answer helpful? 0 Yes | 0 No

Answer This Question

222 views

24⟩ The specific break point can be deleted by _____ command in GDB. a) delete b) del c) remove d) none of the mentioned

a) delete

Is this answer helpful? 0 Yes | 0 No

Answer This Question

196 views

25⟩ The "step" command of GDB a) executes the current line of the program b) stops the next statement to be executed c) both (a) and (b) d) none of the mentioned

c) both (a) and (b)

Is this answer helpful? 0 Yes | 0 No

Answer This Question

238 views

26⟩ Which GDB command reloads the debugging information? a) file b) reload c) debug d) none of the mentioned

a) file

Is this answer helpful? 0 Yes | 0 No

Answer This Question

258 views

27⟩ GDB can be used a) to find out the memory leakages b) to get the result of a particular expression in a program c) to find the reason of segementation fault d) all of the mentioned

d) all of the mentioned

Is this answer helpful? 0 Yes | 0 No

Answer This Question

211 views

28⟩ Which GDB command can be used to put a break-point at the beginning of the program? a) b main b) b start c) break d) none of the mentioned

a) b main

Is this answer helpful? 0 Yes | 0 No

Answer This Question

241 views

29⟩ To put the breakpoint at the current line ____ command can be used? a) b b) break c) both (a) and (b) d) none of the mentioned

c) both (a) and (b)

Is this answer helpful? 0 Yes | 0 No

Answer This Question

189 views

30⟩ We can list all the break-point in GDB by the command a) info break b) break all c) both (a) and (b) d) none of the mentioned

a) info break

Is this answer helpful? 0 Yes | 0 No

Answer This Question

222 views

31⟩ Which one of the following is not true about GDB? a) quit command is used to exit the GDB b) kill command is used to stop execution in GDB c) if the execution is stopped by kill command then it can not be started again d) none of the mentioned

c) if the execution is stopped by kill command then it can not be started again

Is this answer helpful? 0 Yes | 0 No

Answer This Question

210 views

32⟩ While debugging with GDB a) variables can be print b) variables can be modify c) both (a) and (b) d) none of the mentioned

c) both (a) and (b)

Is this answer helpful? 0 Yes | 0 No

Answer This Question

248 views

33⟩ GDB command "frame" is used a) to change the stack frames b) to check the stack frames only c) it is not a valid command d) none of the mentioned

a) to change the stack frames

Is this answer helpful? 0 Yes | 0 No

Answer This Question

229 views

34⟩ The GDB command "info local" a) displays the list of local variables b) value of local values for the current stack frame c) both (a) and (b) d) none of the mentioned

c) both (a) and (b)

Is this answer helpful? 0 Yes | 0 No

Answer This Question

212 views

35⟩ If we have multiple source files, then during the debugging with GDB a) breakpoint can not be set b) break point can be set by "break" command with a filename c) break point can be set only to makefile d) none of the mentioned

b) break point can be set by "break" command with a filename

Is this answer helpful? 0 Yes | 0 No

Answer This Question

230 views

36⟩ What is temporary breakpoint? a) it stops the program once b) it is removed after one execution of the program c) both (a) and (b) d) none of the mentioned

c) both (a) and (b)

Is this answer helpful? 0 Yes | 0 No

Answer This Question

258 views

37⟩ In GDB breakpoints can be skipped by the command a) ignore b) reject c) skip d) none of the mentioned

a) ignore

Is this answer helpful? 0 Yes | 0 No

Answer This Question

223 views

38⟩ Which GDB command is used to examine the memory? a) x b) y c) z d) none of the mentioned

a) x

Is this answer helpful? 0 Yes | 0 No

Answer This Question

281 views

39⟩ Which one of the following is not true about the GDB? a) info register is used to see that what is in the processor registers b) processor registers can not be accessed by GDB c) first 32 bits of the variable can not be examined d) none of the mentioned

c) first 32 bits of the variable can not be examined

Is this answer helpful? 0 Yes | 0 No

Answer This Question

207 views

40⟩ Assemble code of the program can be displayed in GDB by the command a) disassemble b) assemble c) assembly d) none of the mentioned

a) disassemble

Is this answer helpful? 0 Yes | 0 No

Answer This Question

292 views

Page: 1 2 3 4

rendc.org

Whether it is technological solutions or user-oriented innovations, We have put together for you the best sources of HR Interview Questions and Answers, Tech Ideas, and Programming Tutorials."

Quick Links:

Interview Question and Answer Questions Add Questions News-Feed Add Posts HR Hacks Tutorials Profile rendc.com memeph.com

© 2022 | All rights reserved.