Unix Questions

• Which of the following commands can be used to get information about all users who are currently logged into the system?
• Which option is used with the chmod command recursively to all files and sub-directories in a directory?
• The command to count the number of files in the current directory by using pipes, is
• Which shell's wild-cards is used to match a single character?
• Which command is used to list out all the hidden files along with the other files?
• Which of the following files contains information related to password aging?
• Which of the following commands is used to change the working directory?
• Which command is used to change directory to the name beginning with a 'p'?
• In Bourne shell, which file sets the Unix environment for the user when the logs into his HOME directory.
• The chmod ugo+rw note command can be represented in octal notation as
• Which of the following commands is used to absolutely assign all permissions to the owner, read and write permissions to the group and only executable permission to the others of the file note?
• If a file has read and write permissions for the owner, then the octal representation of the permissions will be
• Which of the following commands can be used to get information about yourself?
• Which of the following commands is used to rename a file?
• The ls -l command tells
• Which of the following keys is used to overstrike a whole line?
• Which of the following set options is used with vi editor to ignore case while searching for patterns?
• Which of the following is invalid filename?
• Which of the following commands is used to view your file 24 lines at a time?
• Which of the following commands is used to summarize the disk usage?