UNIX for Dummies Questions & Answers

$ cat pid.txt
 5.4 21399 ./PreRating

$ cut -d ' ' -f1 pid.txt

$

$ file pid.txt

$ file pid.txt
pid.txt: ASCII text

cut -d ' ' -f1 abc.txt

awk '{print $1}' abc.txt

 
-sh-3.00$ cat pid.txt
5.4 21399 ./PreRating
-sh-3.00$ cut -d ' ' -f1  pid.txt
5.4
-sh-3.00$ file pid.txt
pid.txt: ASCII text
 
-sh-3.00$ env
TERM=xterm
SHELL=/bin/sh

 
$ cut -d ' ' -f1-2 pid.txt

cut -d ' ' -f1-2 pid.txt
 5.4

$cut -d ' ' -f2  pid.txt