cat < file1 >> file2 | file3

Related MCQs

• The following commands gives the output like this #cat file1 file2 #cat: file1: No such file or directory hello If we execute the command “cat file1 file2 1>2 2>&1” the output would be
• Given a code snippet below? #define PERMS (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH) int main() { int fd1, fd2; umask(0); fd1 = open(“file1”, O_CREAT | O_RDWR, PERMS) umask(S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH); fd2 = open(“file2”, O_CREAT | O_RDWR, PERMS) return 0; } The newly created files file1 and file2 will have the permissions respectively
• rom where would the read statement read if the following statements were executed? exec < file1 exec < file2 exec < file3 read line
• A user creates a link to a file file1 using the following command “ln file1 file2”. Which of the following is not true?
• The command who sort - file1 > file2
• Create a new file “new.txt” that is a concatenation of “file1.txt” and “file2.txt”
• here are two hard links to the “file1″ say hl and h2 and a softlink sl. What happens if we deleted the “file1″?
• ode snippets str1=”45678\n” str2=”123\n” f1 = fopen(file1,RDWR,RWX) f2 = fopen(file1,RDWR,RWX) write(f1,str1,len_str1) write(f2,str2,len_str2) o/p:
• Code snippet (file1 size is 2024)f1 = fopen (file1, RDWR, RWX) lseek(f1,1024,SEEK_SET) write(f1,buf,10) What is offset now.
• A user executes the following command successfully:$ chmod +x file1.txt Which of the following is true of the output of this command?