| 62. | Which UNIX/Linux command is used to make all files and sub-directories in the directory “progs” executable by all users? |
| Discuss |
|
Answer: (a).chmod −R a+x progs
|
| 63. | Consider the following statements : (a) UNIX provides three types of permissions * Read * Write * Execute (b) UNIX provides three sets of permissions * permission for owner * permission for group * permission for others Which of the above statement/s is/are true? |
| Discuss |
|
Answer: (c).Both (a) and (b)
|
| 64. | Match the following WINDOWS system calls and UNIX system calls with reference to process control and File manipulation. Windows (a) Create - process () (b) WaitForSingleObject () (c) CreateFile () (d) CloseHandle () UNIX (i) Open () (ii) Close () (iii) Fork () (iv) Wait () Code : (a) (b) (c) (d) |
| Discuss |
|
Answer: (a).(iii) (iv) (i) (ii)
|
