51 The file "exc" contains the line: chmod u+x $1. What will the following
commands do ?

a. exc fopman
ANS: [ ]

b. exc exc
ANS: [ ]



52. Suppose you often cd to the "/usr/lisa/progs/pasc/proj" directory. What
could you put in your .bashrc .profile to make this easier to do?

ANS: [ ]


53. Suppose all the following aliases are in effect:

alias rm rm -i
alias c 'cd; ls'
alias cr 'cd \!*; rm *'

How, would the following commands be interpreted?

a. rm junkfile
ANS: [ ]

b. c
ANS: [ ]


c. c junkdirectory
ANS: [ ]


d. cr junkdirectory
ANS: [ ]