linux dig命令使用手册 dig (domain information groper) is a flexible tool for interrogating DNS name servers. It performs DNS lookups and displays the answers that are retur
linux rsync命令使用手册 Rsync is a fast and extraordinarily versatile file copying tool. It can copy locally, to/from another host over any remote shell, or to/from a remote
linux find命令使用手册 This manual page documents the GNU version of find. GNU find searches the directory tree rooted at each given file name by evaluating the given expres