well i think that is a stupid question but i think it means, cat hahaha!
it is a command in unix and unix like operating systems that places a string on the computer terminal.It is typically used in shell scripts and bath files screen or a file.
There is no traditional 'execute' command in Unix.
There is no standard 'format' command in Unix.
The 'CD' command is not standard for Unix. The 'cd' command, however, will change directories (folders). It is a means of navigating the Unix file system.
4 ampersands together is not legal for Unix/Linux.
In Unix, use the 'man' command.
The "who" command.
cat /proc/version The above answer will only work on certain systems. For most Unix systems, use the 'uname' command to get the Unix version. AIX uses the oslevel command.
dig
nslookup
You need a compiler. Gcc or g++ can be run from a unix shell, or a windows implementation of one like cygwin.
Unix was created first. The C programming language was created for Unix.