Answer Posted / visakh

b - block special file (/devices/isa/fdc@1,3f0/fd@0,0:c)
c - character special file (/dev/fd/0)
d - directory (/)
D - door (/var/run/name_service_door)
p - plain file (/etc/cron.d/FIFO)
l - link (/proc/449/path/4)
s - symbolic link (/var/run/.inetd.uds)
f - fifo (/export/home/xtreme4/.bash_history)

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:

1764

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What is the general format of unix command syntax?

694

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

583

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What is the first character of the output in ls l command?

637

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What is the command to find hidden files in the current directory?

586

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What are awk commands?

586

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Which command will print your home directory on screen?

546

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What do chmod, chown, chgrp commands do?

641

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Does cp command overwrite files?

626

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Explain how to use grep command to list find the records of a file containing 10 different strings?

594

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What is the use of awk command in unix?

581

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612

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Which command can you use to find the currently running process in unix server?

589

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579

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what is the advaantage of each user having its own copy of the shell?

2038

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