Unix - Hour 13

Introduction to Command Shells 

13.1.1)
internet% awk -F: '{print $7}' /etc/passwd | sort | uniq -c
  10
   3 /bin/false
   6 /bin/sh
   1 /sbin/sh
   2 /usr/bin/ksh
   1 /usr/bin/rksh
   1 /usr/lib/uucp/uucico
   1 /usr/local/bin/bash
internet%
13.2.1)
internet%            
13.2.2)
internet% ps -ef | grep $$
spantaro 19948 19925  0 22:15:57 pts/2    0:00 grep 19925
spantaro 19947 19925  0 22:15:57 pts/2    0:00 ps -ef
spantaro 19925 19919  0 21:51:35 pts/2    0:00 csh
internet%         
13.3) Read
13.4.1)
internet% env | cat -n
     1  _=/bin/csh
     2  MANPATH=/usr/share/man:/usr/local/man:/usr/openwin/man:/opt/hpnpl/man
     3  PATH=/usr/bin:/usr/ucb:/home2/stud-30/spantaro/bin:.
     4  LOGNAME=spantaro
     5  MAIL=/var/mail/spantaro
     6  SHELL=/usr/bin/ksh
     7  HOME=/home2/stud-30/spantaro
     8  TERM=vt100
     9  PWD=/home2/stud-30/spantaro
    10  TZ=US/Pacific
    11  USER=spantaro
internet%
13.4.2)
HOME
internet% echo $HOME
/home2/stud-30/spantaro
SHELL
TERM
USER
PATH
MAIL
LOGNAME
NAME
13.4.3)
13.5.1)
internet% cat .login
set path = (/usr/bin /usr/ucb $HOME/bin . )
set history = 100
setenv TERM vt100
set filec
internet% 
13.5.2)
internet% cat .cshrc
alias rm /bin/rm -i
internet%
1