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 |
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 |
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. |