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 Categories >> Software >> Operating Systems >> Unix
  Unix Commands (243)   Unix Threads (13)   Unix IPC (34)   Unix Socket Programming (58)   Unix System Calls (8)
  Unix General (41)   Unix AllOther (132)
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Question Asked @ Answers Views     Select
What is the difference between windows environment and Unix environment ? oracle   8  6303
What is use of sed command? bitwise   12  16375
Which Command is Used for temprary switch User? bitwise   5  9594
Which mode is used for allowing file write,read and append mode? bitwise   9  9280
how to remotely move a file ??? that mean how to move a file one machine to another machine ??? altair   10  7841
what is the meaning of this command rm -rf / what will it do ? altair   5  8047
what is mount ,tell me about mount ,how can u use in real time project?? symphony   12  6869
What is file system in unix?? symphony   10  9114
which is the best book for learning unix and linux?    6  7261
what is difference between kernel and shell? juniper-networks   16  50838
How to set Windows as Default OS when Dual Booting Ubuntu?    1  1736
How do I log into a remote Unix machine(as a root/normal user)?Please specify with command user and argument.    3  2749
What is the job responsibility of a System Administrator (UNIX/LINUX),briefly describe (Also point out system admin's daily job details),specify job type & job description? tcs   2  4574
I am trying to unmount a remote file system,but I do not unmount that file system.How can i know the user name (i.e.,user who is using that file system).....write the command with argument    2  2060
Telnet sometimes doesn't permit root logons,how will you then change a file writable only by root on a remote host?    1  1539
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Un-Answered Questions
 Question Views   Select
What is Fork swap? 1439
Is there any advantage to handling the signal, rather than just ignoring it and checking for the EPIPE error? Are there any useful parameters passed to the signal catching function? 11
What is the difference between read() and recv()? 8
What are the events done by the Kernel after a process is being swapped out from the main memory? 639
Why does the sockets buffer fill up sooner than expected? 11
How can I tell when a socket is closed on the other end? 10
What are the main differences between Apache 1.x and 2.x? 4901
Why does it take so long to detect that the peer died? 8
How to know whether the message queue is empty or not. 526
I want to invest in learning things that will get me good jobs in future. But wondering if Unix knowledge is something that is a MUST have or is it better to do any Data-warehouse tool (cognos, Qclik view, ETL etc..). Please suggest me. 661
how to kernel protected memory? 668
Whats the difference between select() and poll()? 11
What is the difference between SO_REUSEADDR and SO_REUSEPORT? 11
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<stdlib.h> # include <stdio.h> 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: 281
I have one flat file,in this file how many columns are there i don't know,but one ename column is there , just i want to cut the surname, so how to cut the surname, any one know the answer please guide me ? ename ----- tapan kumar nayak bala murugan kutal chkrobarthy biswo My output is like that OUTPUT ------ nayak murugan chakrobarthy biswo 1644
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