useful expression - pinedance/codenote GitHub Wiki

Directory / File

ls -als          # LiSt
find <location> -name 'sometext'     # sometext๊ฐ€ ์ด๋ฆ„์— ๋“ค์–ด๊ฐ€๋Š” file์„ location์—์„œ ์ฐพ์•„์คŒ
cd <directory>     # Change Directory 
pwd   # Present Working Directory
mkdir   # Make a directory
rm <file>     # ReMove / ๋””๋ ‰ํ† ๋ฆฌ๋ฅผ ์ง€์šธ ๋•Œ๋Š” -r ์˜ต์…˜(recursive)
mv <file1> <file2>   # Move
cp <file1> <file2>   # CoPy
mv -r <directory1> <directory2>   # ๋””๋ ‰ํ† ๋ฆฌ์˜ ๊ฒฝ์šฐ -r ์˜ต์…˜(recursive)
cp -r <directory1> <directory2>   # ๋””๋ ‰ํ† ๋ฆฌ์˜ ๊ฒฝ์šฐ -r ์˜ต์…˜(recursive)
cat <file>     # file ๋‚ด์šฉ ๋ณด๊ธฐ
head -n <file>           # ์•ž์—์„œ n์ค„ ๊นŒ์ง€ ๋ณด๊ธฐ
tail -n <file>           # ๋’ค์—์„œ n์ค„ ๊นŒ์ง€ ๋ณด๊ธฐ
more <file>       # file์˜ ๋‚ด์šฉ์„ ํ•œ ํ™”๋ฉด์”ฉ ๋ณด๊ธฐ 
grep 'sometext' <filename>    # file์— ์žˆ๋Š” ํ•ด๋‹น ๋ฌธ์ž์—ด์„ ์ฐพ์•„์คŒ

ls -al | more : ls ๋ช…๋ น์˜ ์ถœ๋ ฅ์„ more๋กœ ๋ณด๋‚ด์–ด์„œ ๋ฆฌ์ŠคํŒ…์„ ํ•œ ํŽ˜์ด์ง€์”ฉ ๋ณด์ด๊ฒŒ ํ•œ๋‹ค.

๋ฐ”๋กœ๊ฐ€๊ธฐ ๋งŒ๋“ค๊ธฐ

ln -s <file> <shortcut>   # LiNk, -s ์˜ต์…˜์ด ์—†์œผ๋ฉด hardlink

ํŒŒ์ผ์ด๋‚˜ ๋””๋ ‰ํ† ๋ฆฌ์— ๋Œ€ํ•œ ์ฝ๊ธฐ(r), ์“ฐ๊ธฐ(w), ์‹คํ–‰ํ•˜๊ธฐ(x) ์†Œ์œ ๊ถŒ์„ ๋ณ€๊ฒฝ

chmod

์†Œ์œ ์ž ๋ณ€๊ฒฝ

chown
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