The command pwd displays /x/y. After executing the command chmod u -x. which of the following commands will not work?
| A. | pwd |
| B. | is |
| C. | chmod u+x |
| D. | All of the above |
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Option: D Explanation : Click on Discuss to view users comments. |
A C program should be compiled with -g option (like cc -g x . c) to use
| A. | proof |
| B. | make |
| C. | lprof |
| D. | sdb |
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Option: D Explanation : Click on Discuss to view users comments. |
The difference between a pipe and a regular file is that
| A. | Unlike a regular file, pipe is not a file. |
| B. | The data in a pipe is transient. unlike the contents of a regular file |
| C. | Pipes forbid random accessing. while regular files do allow this |
| D. | Both (b) and (c) |
|
Option: D Explanation : Click on Discuss to view users comments. |
