Shell Programming and Scripting

[root@xyx1 tmp]# cat test1.txt
mahesh
suresh
anil
[root@xyx1 tmp]#

m s a
a u n
h r i
e e l
s s
h h

while read line
do
     echo $line | fold -bw 1
done<test1.txt

m
a
h
e
s
h
s
u
r
e
s
h
a
n
i
l

awk '{for(i=1;i<=length;i++) a[NR,i]=substr($0,i,1);if(length>max) max=length}
END{
for(i=1;i<=max;i++){
 for(j=1;j<=NR;j++) 
  printf "%s ",a[j,i]?a[j,i]:" "
 printf "\n"
}}' file

awk '{a[NR]=$0;if(length>max) max=length}END{for(j=1;j<=max;j++){for(i=1;i<=NR;i++){printf "%s ",substr(a[i],j,1)};printf "\n"}}' filename