Unix interview questions – page 3

Ls || date will A. print the name of the files in the current directory B. print today's date and time C. (A) followed by (B) D. none of the above

Name the data structure used to maintain file identification?

The very first process created by the kernal that runs till the kernal process halts is a) init b) getty c) both (a) and (b) d) none of these

Define task and TCB

What is difference between unix and linux?

Define Demand Paging, Page fault interrupt, and Trashing?

Which operating system is suitable for distributed computing and requirement?

Why use _exit rather than exit in the child branch of a fork?

What will the following command do?

How can deadlock be detected and prevented in practical scenarios?

What difference between cmp and diff commands?

What is the number of the masked code ee@?

What is the use of the command "ls -x chapter[1-5]"

In UNIX 50 records are there,i want to retrieve the 20-30 records & i want 23 record which commands we are using?

Describe about awk and sed?

If a system has 128 MB RAM and 1 GB hard Disk, and a process decides to use its fully allotted Virtual Memory 2^32 - 2GB = 2 GB, how is it practically possible?. But this works in all machines. How?

Which are typical system directories below the root directory?

What are the difference between Daemons in Unix and service processes in Windows?

Create your own shell that completes the following problem: Ask the user their name, Compare it to your name and Give a reply that their response is either your name too or it is a nice name too ?

About fork()?

When someone refers to 'rn(1)' or 'ctime(3)', what does the number in parentheses mean?

What is fragmentation? Different types of fragmentation?

Is it possible to create new a file system in UNIX?

Give examples of how memory leaks can occur with c programs?

What are permissions in UNIX?

Is ?du? a command? If so, what is its use?

What are Profilers?

Nohup command is used for A. protecting the execution of programmes from aborting when hangup signal is received B. changing the execution priority of the programes C. not hanging up of the modem D. disconnecting a no...

Explain the UNIX Kernel.

What is the difference between pipe and xargs?