Lessons
Bash · Medium
Bash · Medium. Ten lessons. Open-book quizzes. Lesson 1 free.
10 lessons · The Host · Lesson 1 free
Pass all ten lessons for the certificate. Sample · Claim
Lesson 1 · On the house
process substitution
<(cmd)
Lesson 2
namerefs and locals
declare -n.
Lesson 3
traps
Cleanup on exit.
Lesson 4
getopts
Parse flags.
Lesson 5
mapfile / readarray
Slurp lines.
Lesson 6
coprocesses sketch
Background dialogue.
Lesson 7
job control
bg fg and &
Lesson 8
printf discipline
Safer than echo.
Lesson 9
PATH and hashing
Command lookup.
Lesson 10
Medium capstone
Flag + loop tool.
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Certificate
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