Latest Answer : In Software Engineering, Software Configuration Management (SCM) is task that tracking and controlling changes in software. ...
Latest Answer : Data integrity constraint is a declarative method of defining a rule for a column of a table. ex. Not Null, Unique Key , PRIMARY KEY, FOREIGN KEY, CHECK. ...
Latest Answer : Data integrity means that data is consistent and correct and information can only be accessed or modified by those authorized to do so. ...
Latest Answer : A database trigger is procedural code that is automatically executed in response to certain events on a particular table in a database. Triggers can restrict access to specific data, perform logging, or audit data modifications. ...
It is a data structure that defines all specifications of a file like the file size ,number of lines to a file ,permissions etc.
The UNIX shell is....a).does not come with the rest of the systemb).forms the interface between the user and the kernelc) does not give any scope for programmingd) does not allow calling one program from with in anothere) all of the above
b
The very first process created by the kernel that runs till the kernel process halts isa)initb)getty
a
In the process table entry for the kernel process, the process id value isa) 0 b) 1 c) 2 d) 255 e) it does not have a process table entry
a
The command grep first second third /usr/you/myfilea) prints lines containing the words first, second or third from the file /usr/you/myfileb) searches for lines containing the pattern first in the files second, third, and /usr/you/myfile and prints themc) searches the files /usr/you/myfile and third for lines containing the words first or second and prints themd) replaces the word first with the word second in the files third and /usr/you/myfilee) None of the above
b
Latest Answer : Pipes, Messages and Semaphores ...
