When configuring file permissions in UNIX/Linux systems, what is the role of the sticky bit?
What will be an ideal response?
On older UNIX and Linux distributions, the sticky bit has been used to cause an executable program (a file you run as a program) to stay resident in memory after it is exited. This action ensures that the program is immediately ready to use the next time around or that it stays ready for multiple users on a server. In current operating systems, the sticky bit is used instead to enable a file to be executed, but only the file's owner or root have permission to delete or rename it. The symbol for the sticky bit is t (used in place of x), such as when you view permissions using ls -l. For example,when the sticky bit is set on a file, the permissions might look like: -rwxr-xr-t.
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To obtain the structural engineering properties of standard steel sections, the following publication is generally used.
A) ASTM standard on steel sections B) Steel Construction Manual C) Steel Fabricators' Manual D) Steel Erectors' Manual E) Local manufacturers' literature
When both change and complexity are high, which of the following is true?
a. uncertainty is also high b. System 1 designs are best c. bureaucratic or mechanistic designs work best. d. All of these are correct. e. None of these are correct.
Wetted asbestos is considered to be ________
A) Solid waste B) Toxic C) Poisonous D) Hazardous waste
wheel studs should never be lubricated with oil or anti-seize compounds
a. true b. false