coreutils by dibingfa

gnu coreutils: https://github.com/coreutils/coreutils

man 3 getopt: https://linux.die.net/man/3/getopt

• basename
• cat
• chcon
• chgrp
• chmod
• chown
• chroot
• cksum
• comm
• cp
• csplit
• cut
• date
• dd
• df
• dir
• dircolors
• dirname
• du
• echo: -r -b -g etc for red blue green to print String
• env
• expand
• expr
• factor
• false
• fmt
• fold
• getlimits
• ginstall
• groups
• head
• hostid
• id
• join
• kill
• link
• ln
• local.mk
• logname
• ls
• make-prime-list
• md5sum
• mkdir
• mkfifo
• mknod
• mktemp
• mv
• nice
• nl
• nohup
• nproc
• numfmt
• od
• paste
• pathchk
• pinky
• pr
• printenv
• printf
• ptx
• pwd
• readlink
• realpath
• rm
• rmdir
• runcon
• seq
• sha1sum
• sha224sum
• sha256sum
• sha384sum
• sha512sum
• shred
• shuf
• sleep
• sort
• split
• stat
• stdbuf
• stty
• sum
• sync
• tac
• tail
• tee
• test
• timeout
• touch
• tr
• true
• truncate
• tsort
• tty
• uname
• unexpand
• uniq
• unlink
• uptime
• users
• vdir
• wc
• who
• whoami
• yes: -n（show line number）-s（sleep NUM seconds between）

第一步：ubuntu 16.04

第二步

./bootstrap
./configure FORCE_UNSAFE_CONFIGURE=1 --disable-gcc-warnings

第三步：修改 Makefile

CFLAGS = -g -O0

第四步

make

第五步：VS Code 配置 launcher.json

{
    "version": "0.2.0",
    "configurations": [

        {
            "type": "cppdbg",
            "request": "launch",
            "name": "GDB",
            "program": "${workspaceFolder}/src/echo",
            "cwd": "${workspaceFolder}",
            "args": ["hello"]
        }
    ]
}

第六步：点击 debug