How will u list the contents of parent directory from the current directory? What are the default system wide permissions for a file and directory? What is the default umask value?A user is not able to change the permission , What can it happen? What's the difference between ls -F , ls -p? If a file permission are 000, can the superuser still read and write to that file.? What's the command to remove the files without write permission? How will u make sure that no one can see the files
Write a shell script to list only the hidden files in the current directories? What is the o/p of following command $a =*, echo $a, echo "$a"? Which of the following is allowed in an arithmetic involving expr instruction. [],{},()? If values "hi", "Hello","Bye","Good Bye" are supplied to the following statement what will be the o/p read n1,n2 , echo $n1 $n2? How do you know that how many commands can be stored in the buffer in one session?
Latest Answer: The kernel is located in /stand ...
Latest Answer: There are two different ways to do the same.1. var1 = "first"var2 = "second"var3 = $var1$var2The only problem with the above solution is you can not attach the general text at hte end or in between of the text to create new string ...
Latest Answer: If a remote file system is hard mounted on a server, in some case the server is down,While boot the server checks the hard mount of the remote file sytem the boot, if remote systm also down, at the particular junction server can not boot. To over this ...
Latest Answer: This will copy the file xyz.tct from root directory ( / ) to present working directory. ...
Latest Answer: STUB is A temporary implementaion of part of a program for debugging purposes.LILO (LInux LOader) is a boot loader for Linux. ...
Latest Answer: Process Control Block in Unix is a data structure which is used to mange Processes. It contains following:1. PID2. Pointer to the next PCB3. Register Values4. Priority5. I/O information6. Process accounting information. 7. Adress Space. ...
Latest Answer: the best was is to use CHOWNExample:chown owner:group chown -R owner:group
Latest Answer: In Hardlink Inode is same and both are independentIn Softlink Inode is diff and the linked file will b a shortcut of first file ...
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