Unix Commands (489)
Unix Threads (33)
Unix IPC (65)
Unix Socket Programming (105)
Unix System Calls (21)
Unix General (491)
Unix AllOther (137) Assume that a file’s permissions give you read and write access. What operations can you perform on the file if it is in a directory which has “r”(read) only process? What operations can you perform on the file if it is in a directory which has “x”(execute) only access?
1 6922When the shell is reading the command line what is the difference between text enclosed between double quotes ( ” ) and text enclosed between signal quotes ( ’ )?
3 8513The rm command removes links to file. What does this mean? How then is a file deleted from the file system?
5 12245Assume the following files are in the working directory prompt> ls -l tasks -rw-r--r-- 1 alex student 1423 Feb 21 14:01 tasks What command can Alex use to give everyone permission to write to the file? What will the ls -l command display if he does so?
10 15873System A can contact system B, but not in reverse, not firewall, not tcp wrappers, what is the reason ?
2 4606Write a grep (or grep) command that selects the lines from a file that have exactly three characters.
24 40694If Media Server fails. What are the steps to be followed? Can anyone please reply for this question Thanks, Ganesh
3053How to find the version details of unix? if any application is installed in unix OS how to find the version of that application is it possilbe or not? pls let me know cmd in detail.
HCL,
5 12644What is mean by Mac os? Why it is named as like that? Which purprose it is using? Please answer me. Advance thanks.
2 8788
What does this command do? Cat food 1 > kitty
Explain ‘system calls’ with respect to unix commands?
What are the various ids in unix processes?
What are pipes and filters in unix?
What is the function of grep command in unix?
Why sockets are used?
What is a deep well socket?
What is the difference between a socket and a port?
What is difference between socket () and serversocket () class?
How do you change directories in unix?
What are the pros/cons of select(), non-blocking I/O and SIGIO?
Explain how and when a DNS request is solved when a user tries to surf to the site www.abcdeg.in .Assume the user machine uses a local name server and sits on another network other than www.abcdef.in.
Explain c program to implement the unix or linux command to implement ls -l >output.txt?
Describe the zip/unzip command using gzip.
Explain what is protection boundary?