51. Which option is used with the chmod command recursively to all files and sub-directories in a directory?
52. Which command is used to change directory to the name beginning with a 'p'?
53. Which of the following is invalid filename?
54. Which commands is used to assign executable permission to all of the files named "letter"?
55. Which set option is used with vi editor to display line numbers on screen?
56. Which command is used to print a file?
57. Which command will be used with vi editor to replace single character under cursor with any number of characters?
58. Which of the following set options is used with vi editor to ignore case while searching for patterns?
59. Which command is used to list out all the hidden files along with the other files?
60. 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?
61. The chmod ugo+rw note command can be represented in octal notation as
62. Which of the following commands is used to display the filenames in multiple columns with indication of directories and executable file?
63. Which command is used with vi editor to search a pattern in the forward direction?
64. Which of the following commands is used to assign executable permission to the owner of the file named "note"?
65. The command to count the number of files in the current directory by using pipes, is
66. Which of the following commands is used to get directory one level up?
67. Which of the following commands is used to count the total number of lines, words, and characters contained in a file.
68. Which command is used to delete all files in the current directory as well as all files and sub-directories in its subdirectories?
69. Which of the following commands is used to change the working directory?
70. Which of the following commands is used to view your file 24 lines at a time?
71. Which shell's wild-cards is used to match a single character?
72. In Bourne shell, which file sets the Unix environment for the user when the logs into his HOME directory.
73. Which command is used to copy the three files wb, collect and mon into the misc directory, under the same, when you were currently in the programs directory?
74. The command chmod 761 note is equivalent to
75. The commonly used UNIX commands like date, ls, cat, etc. are stored in