摘要:
Sometimes it's handy to break long lines into shorter lines. # read moby-dick file for first 250 lines # then fold each line to have max 30 char (-w) 阅读全文
摘要:
Calendar cal May 2024 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 31 # all months cal 2024 # 阅读全文
摘要:
grep is a powerful command-line tool used for searching text using patterns. It's widely used for finding specific text within files or output streams 阅读全文