Unix Commands Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Unix Commands Interview Questions

Questions Answers Views Company eMail

solaris Run level?

Wipro,

3 6408

boot process?

Atos Origin, Wipro,

2 7695

When i run a programm of orphan process. Instead of getting child's parent (ppid)=1 ..i get 1400 and it varies as per system. How can i findthe right soluion??? My pgm: #include # include int main() { int pid; pid=fork(); if(pid < 0) {exit(-1);} else if(pid==0) { printf("Child Process is Sleeping ..."); sleep(10); printf("Orphan Child's Parent ID : %u ",getppid()); } else { printf("Parent Process Completed ... %u ",getpid()); exit(0); } return 0; } Output:

2273

how to unzip the contents of the gzip file

Epsilon,

1 3407

how to sort the content of the file based on numeric values

Epsilon,

1788

How to find $ai_serual resolved path by using unix

1759

What does 'mkdir' command do in UNIX?

Syntel, Visa,

1314

What is the functionality of a top command?

Amazon,

1114

What are the commands in UNIX to list the files in a Directory?

CGI,

1191

What is the use of touch command in there?

Accenture,

1 2411

What is ‘ps’ command for?

1187

What is the significance of the 'tee' command?

1202

What does the command ' $who | sort –logfile > newfile' do?

1280

What does the command '$ls | wc –l > file1' do?

1235

How is the command '$cat file2 ' different from '$cat >file2 and >> redirection operators ?

1317

Post New Unix Commands Questions

Un-Answered Questions { Unix Commands }

How do I use nslookup?

1099

What is grep in bash?

1068

How to find $ai_serual resolved path by using unix

1759

What do chgrp command do?

1222

What does the metacharacter mean?

1141

What is sed awk grep?

1139

Which command is used to restrict incoming messages?

1111

Which command is used to copy files?

1178

What is the use of cut command in unix?

1377

What does pipe () return?

1078

Give the command for finding the current date.

1119

Who command in unix operating system?

1142

Which command is used to kill the last background job?

1337

What is the unix command to confirm a remote host is alive or not?

1221

How is the command '$cat file2 ' different from '$cat >file2 and >> redirection operators ?

1317

For More Un-Answered { Unix Commands } Questions Click Here