Terminal · Medium

Lesson 1 · On the house

find by name and type

Walk a tree with find -name and -type.

Lesson 2

find predicates and pruning

Filter by mtime and size, and skip trees with -prune.

Lesson 3

xargs and safe lists

Feed argv lists. Prefer -0 with null paths.

Lesson 4

sort and uniq -c

Count duplicates with sorted pipelines.

Lesson 5

cut, tr, and columns

Extract fields and squeeze character sets.

Lesson 6

sed substitute one-liners

s/// replace on a stream and print the result.

Lesson 7

tar with gzip

Create and extract .tar.gz archives.

Lesson 8

df and du

Free space vs directory weight.

Lesson 9

ps, pgrep, and kill

List processes and signal with care.

Lesson 10

Medium capstone

find, pipes, archive, and disk check together.