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MCQ Problems / Explanations



The second set of the three permissions (r-) indicates that

Last updated: Mon, 10 Mar

Which command is used to display and create files?

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Which command is used to make all files and sub-directories in the directory (progs) executable by all users?

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Which option will be used with touch command to change the access time?

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Which of the following options will be used to display number of blocks used by a file?

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The filed separator in cut command is specified with

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Which of the following commands is used to identify the type of file by context?

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Which of the following command addresses all users who are currently hooked on?

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Which option will be used with ps command to slow the entire command line of the process being run?

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Which of the following special shell variables is used to process number of the last background job?

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In vi editor, forward search is performed using the command.

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Which command will be used with vi editor to insert text to left of cursor?

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Which command is used to concatenate all files beginning with the string 'emp' and followed by a non-numeric charac...

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Which command is used to remove the read permission of the file 'note' from both the group and others?

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Which command sends the word count of the file infile to the newfile.

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Which command is used to extract a specific columns from the file

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Which of the following keys is used to replace a dingle character with new text

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Which command is used to remove a directory

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The command which transcribes the standard input to the standard output and also makes a copy of the same in a file...

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The command is used to compare the files is known as

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Which command is used to terminate a process

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Which option will be used with sort command to start sorting after the nth column of the (m+1)th field

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An until loop ensures that the statement within the loop get executed

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The break statement is used to exit from

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Hierarchy decides which operator

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The expression expr -2 % 7 evaluates to

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The expression expr -7 % 2evaluates to

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The statement z='expr 5/2' would store in z a value

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Which of the following is allowed in an arithmetic statement involving exprinstruction

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Which of the following shows the correct hierarchy of arithmetic operations in shell

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On executing the command Shift $v

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On executing a statement set -3+1

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When we are executing a shell script the shell acts as

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The shell metacharacter $# represents

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A null variable a can be created using

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Which of the following assignment is illegal

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Which of the following assignments is illegal

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The escape sequence \033[4m is used to

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.mailrc is the file

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The incoming mail of user with the login name aa12 is stored in the file

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The message of the day is stored in a file called

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To read the stale news the option available is

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If the user has read a news item he cannot read it again because of creation of the file

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The command that unix offers to a user to find out whether he can send messages to a particular terminal are

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For a person to receive messages he should have his terminal set to a parameter which will allow him receive messag...

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Which of the following is not true

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Which of the following is not true regards the kill command

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Which of the following is not true regarding the command $ nohup cat *.let | nohup sort >f1 &

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The process id numbers of the processes vhand,bdflush,sched and init are

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The father of all processes is

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The difference between the commands ps –e and ps –a is

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Which of following commands do not belong to multiple file editing commands

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Which of these is not a command of Unix related with DOS

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To ascertain what are the contents of the file in your the system the best way would be

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To see the last access time of various files in a file system the command is

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The output of command banner "Unix shell programming" would be

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The command cal j 1997 would give the output as

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Which file gets executed when we use the passwd command

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The state of the file system is contained in

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The program contained in boot block, that loads kernel into memory is called

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Each entry in inode table is of size

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To find the block size on your file system the command is

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The size of any block in the unix file system is

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Which of the following is not a unix command

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The command pwd gives

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A Sticky bit applies to a file would mean that

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The permission 746 can be represented as

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The file for which we do not have write permission can be deleted using the command

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After typing the contents of file test created by you by giving the command cat>test you save the contents by

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If there are three links for a file then the number of copies of the file would be

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All user directories are usually placed in _________ directory.

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Binary executable required for system administration is usually placed in ________ directory.

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The default value of Umask is

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The minimum number of links for any directory file are

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WhicBh shell offers a command history feature

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Shell Program is stored in a file called

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Unix Command can be typed in

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Which of the following is a command for searching a pattern in a file?

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Unix is a

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Unix is written in

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Unix OS was first developed at

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Unix OS was first developed by

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