[id -u]
2510
[id -g]
2516
[pwd]
/
[ls -l /proc/self/fd]
lr-x------ 1 nalin nalin 0 -> pipe:[whatever]
l-wx------ 1 nalin nalin 1 -> pipe:[whatever]
l-wx------ 1 nalin nalin 2 -> pipe:[whatever]
lr-x------ 1 nalin nalin 3 -> /proc/self/fd
[echo $*]
nalin foo
[echo `cat`]

[cat /proc/$$/cmdline]
/bin/bash