Mężczyzna pisz c
#include <unistd.h>
ssize_t write(int fd, const void *buf, size_t count);
THE BUG
#include <unistd.h>
ssize_t write(int fd, const void *buf, size_t count);
# Linux - Bash
#syntax
# echo -e "*<string-to-append>" >> *<file-name>
# example
echo -e "aaa" >> test_1.txt