GNU 코어유틸

1 개요[ | ]

GNU Core Utilities; coreutils
GNU 코어 유틸리티; GNU 코어유틸; 코어유틸

2 파일 도구[ | ]

chcon Changes file security context (SELinux)
chgrp 파일 소유그룹 변경
chown 파일 소유자 변경
chmod 파일·디렉토리 퍼미션 변경
cp 파일·디렉토리 복사
dd Copies and converts a file
df Shows disk free space on file systems
dir Is exactly like "ls -C -b". (Files are by default listed in columns and sorted vertically.)
dircolors Set up color for ls
install Copies files and set attributes
ln Creates a link to a file
ls Lists the files in a directory
mkdir 디렉토리 생성
mkfifo 지명 파이프(FIFO) 생성
mknod 블록 또는 character special files 생성
mktemp 임시 파일(또는 폴더) 생성
mv 파일 이동 또는 이름변경
rm 파일 삭제
rmdir 빈 디렉토리 삭제
shred Overwrites a file to hide its contents, and optionally deletes it
sync 파일시스템 버퍼를 비움(flush)
touch 파일의 타임스탬프 변경
truncate Shrink or extend the size of a file to the specified size
vdir Is exactly like "ls -l -b". (Files are by default listed in long format.)

3 텍스트 도구[ | ]

base64 데이터를 base64 인코딩/디코딩하여 표준출력에 출력
cat Concatenates and prints files on the standard output
cksum Checksums and count the bytes in a file
comm Compares two sorted files line by line
csplit Splits a file into sections determined by context lines
cut Removes sections from each line of files
expand Converts tabs to spaces
fmt Simple optimal text formatter
fold Wraps each input line to fit in specified width
head Outputs the first part of files
join Joins lines of two files on a common field
md5sum Computes and checks MD5 message digest
nl Numbers lines of files
od Dumps files in octal and other formats
paste Merges lines of files
ptx Produces a permuted index of file contents
pr Converts text files for printing
Computes and checks SHA-1, SHA-224/256/384/512 message digest
shuf 랜덤 순열 생성
sort sort lines of text files
split Splits a file into pieces
sum Checksums and counts the blocks in a file
tac Concatenates and prints files in reverse
tail Outputs the last part of files
tr Translates or deletes characters
tsort Performs a topological sort
unexpand Converts spaces to tabs
uniq Removes duplicate lines from a sorted file
wc Prints the number of bytes, words, and lines in files

4 쉘 도구[ | ]

arch Prints machine hardware name (same as uname -m)
basename Removes the path prefix from a given pathname
chroot Changes the root directory
date Prints/sets the system date and time
dirname Strips non-directory suffix from file name
du Shows disk usage on file systems
echo Displays a specified line of text
env 환경변수 조회 및 변경
expr Evaluates expressions
factor 숫자를 소인수분해하는 프로그램
false Does nothing, but exits unsuccessfully
groups Prints the GID of which the user is a member
hostid Prints the numeric identifier for the current host
id Prints real/effective UID and GID
link Creates a link to a file
logname Print the user's login name
nice Modifies scheduling priority
nohup Allows a command to continue running after logging out
pathchk Checks whether file names are valid or portable
pinky A lightweight version of finger
printenv Prints environment variables
printf Formats and prints data
pwd Prints the current working directory
readlink 심볼릭 링크 값 표시
runcon Run command with specified security context
seq Prints a sequence of numbers
sleep Delays for a specified amount of time
stat Returns data about an inode
stty Changes and prints terminal line settings
su Run a shell or command with substitute user and group IDs
tee Sends output to multiple files
test Evaluates an expression
timeout Run a command with a time limit
true 아무것도 하지 않지만, 종료상태는 0(성공)
tty 터미널 이름 출력
uname Prints system information
unlink Removes the specified file using the unlink function
uptime Tells how long the system has been running
users Prints the user names of users currently logged into the current host
who Prints a list of all users currently logged in
whoami Prints the effective userid
yes 문자열 반복 출력

5 기타 도구[ | ]

[ A synonym for test; this program permits expressions like [ expression ].

6 같이 보기[ | ]

7 참고[ | ]

  1. fileutils-4.1.11, textutils-2.1, sh-utils-2.0.15으로 따로 있던 것이 2003년에 coreutils-5.0으로 통합됨
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