dotinstall:~ $ echo ‘data’
data
dotinstall:~ $ echo ‘date’ > commands.txt
dotinstall:~ $ cat commands.txt
date
dotinstall:~ $ echo ‘cal’ > commands.txt
dotinstall:~ $ cat commands.txt
cal
dotinstall:~ $ echo ‘date’ >> commands.txt
dotinstall:~ $ cat commands.txt
cal
date
dotinstall:~ $ /bin/ash < commands.txt
September 2023
Su Mo Tu We Th Fr Sa
1 2
3 4 5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28 29 30
Tue Sep 12 06:18:41 JST 2023
dotinstall:~ $ /bin/ash < commands.txt > results.txt
dotinstall:~ $ cat results.txt
September 2023
Su Mo Tu We Th Fr Sa
1 2
3 4 5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28 29 30
Tue Sep 12 06:19:05 JST 2023
dotinstall:~ $ rm *
dotinstall:~ $
