Unix Questions

• The Octal number to be given alogn with chmod command to make a file readable, writable and executable to the owner, readable and executable to group and others is:
• Which of the following options will be used to display number of blocks used by a file?
• Which option will be used with ps command to slow the entire command line of the process being run?
• Which command is used to display a file contents in octal form?
• The second set of the three permissions (r-) indicates that
• Which of the following special shell variables is used to process number of the last background job?
• Which of the following commands is used to identify the type of file by context?
• In vi editor, forward search is performed using the command.
• Which of the following commands is used to update access and modification times of a file?
• Which option will be used with touch command to change the access time?
• Which of the following command addresses all users who are currently hooked on?
• Which command is used to count just the number of characters in a file?
• Which command is used to extract specific columns from the file?
• The field separator in cut command is specified with
• Which command sends the word count of the file infile to the newfile.
• Which option is used with rm command to make the command prompt the user with each filename and a?, before acting on it
• Which of the following commands is used to list contents of directories?
• Which option will be used with sort command to start sorting ofter the nth column of the (m+l)th field?
• Which command is used to concatenate all files beginning with the string 'emp' and followed by a non-numeric characters?
• Which command is used to copy all files having the string chap and any two characters after that to the progs directory?