Latest Answer : It' s simple(ls;who) >> xComments:*** (ls;who) prints both the outputs in stdout in the same sequence as commanded.*** >> is the "redirection + append" operator, hence the o/p from stdout is put into a file (appended) named x. ...
Latest Answer : We can both read and write into the file ...
If you type in the commandnohup sort employees > list 2 > error out & and log off ,the next time you log in . the output will bea). in a file called list and the error will de typed in a file error outb). there will be no file called list or error outc). error will be logged in a file called list and o/p will be in error outd). you will not be allowed to log ine). none of the above
It is a data structure that defines all specifications of a file like the file size ,number of lines to a file ,permissions etc.
PATH = /bin : /usr : /yourhomeThe file /bin/calendar has the following line in itcal 10 1997The file /yourhome/calendar has the following line in itcal 5 1997If the current directory is /yourhome and calendar is executeda) The calendar for May 1997 will be printed on screenb) The calendar for Oct 1997 will be printed on screenc) The calendar for the current month( whatever it is) will be printedd) Nothing will get printed on screene) An error massage will be printed
The redirection operators > and >>a) do the same functionb) differ : > overwrites, while >> appendsc) differ : > is used for input while >> is used for outputd) differ : > write to any file while >> write only to standard outpute) None of these
b
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
Work can be done by 8 men and 10 women in 25 days, the same work can be done by 10 children and 5 women . In how many days 2 children and 3 men can do the same work.
One man or two women or three boys can do a work in 44 days then one man, one women and one boy together can finish the same work in ---- days
If x cows and y goats give some milk in 5 days and a cows and b goats give same amt of milk in 3 days then who give more milk (x, y, a, b are integers)
