In Compilers: Principles, Techniques, and Tools (2nd Edition) 2nd Edition
by Alfred V. Aho (Author), Monica S. Lam (Author), Ravi Sethi (Author), Jeffrey D. Ullman (Author) , Figure 1.5 gives a language processing system, and Figure 1.6 shows the phases of a compiler. In Figure 1.6, if I am corre...
@Tim Fronted part of the compiler compiles the source code to intermediate language. Backend complies from that intermediate format to machine code (or byte code or whatever the target is).
@sebasth Thanks, but I wasn't asking for that. I am asking how to match "compiler" and "assembler" in figure 1.5 and GCC figure to the phases in Figure 1.6.
When one runs gcc, one can see the GNU assembler as being invoked. If assemblers don't use assembling as part of their production cycle, what is as doing here?
You can pull out the information you want from the command "who", then pipe it to the command mail. An example command:
who | awk '{print $1" "$3" "$4" " $5}' | tail -1 | mail -s 'WARNING: SSH Notification' EMAIL_ADDRESS
Save the previous command as a bash, and schedule it in crontab to run e...
is listed as a -2 unaccept, which is a loss of the points for accepting an answer on your own question.
You can pull out the information you want from the command "who", then pipe it to the command mail. An example command:
who | awk '{print $1" "$3" "$4" " $5}' | tail -1 | mail -s 'WARNING: SSH Notification' EMAIL_ADDRESS
Save the previous command as a bash, and schedule it in crontab to run e...
