Answer Posted / visakh

" Sorry about the previous post "

- - plain file
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 - pipe (/etc/cron.d/FIFO)
l - link (/proc/449/path/4)
s - socket file (/var/run/.inetd.uds)
f - fifo (/export/home/xtreme4/.bash_history)

How do I clear my terminal history?

1181

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What is grep and how do you use it?

1118

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What is the use of sed command in unix?

1215

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What is the comma to show the space allocation of files?

1094

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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

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Write a command that will display files in the current directory, in a colored, long format.

1232

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What is time_t?

1118

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What is unix command line?

1265

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Why is shebang used?

1132

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What do chgrp command do?

1223

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How does the system know where one command ends and another begins?

2259

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What difference between cmp and diff commands?

1312

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What are the general commands in using unix os for a beginner?

1175

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What does awk stand for?

1087

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What is the pipe command?

1197

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