How do I see if my friends or coworkers are logged into the same Linux or BSD or UNIX (AIX, HP-UX, Apple OS X) server / workstation as I am from a command line?
How do I display my current path settings under Linux / FreeBSD / OpenBSD / NetBSD / Apple OS X / UNIX like operating systems using bash or ksh or csh / tcsh shell?
Q. I’m using FreeBSD 7 with csh (tcsh) shell. How do I export shell variable under FreeBSD operating systems?
ow do I add a new path to $PATH variable under Linux and UNIX like operating system? What is my path, and how do I set or modify it using csh/tcsh or bash/ksh/sh shell?