man: 매뉴얼 페이지
1. 필수
- 명령어
pwd,cd,ls,cp,mv,rm,mkdir,ln,find,chmod,ssh,vim - 개념
- UNIX account
- UNIX ownership: user, group
- UNIX file mode: 권한(rwx), numeric/symbolic
- Link: hard link, symbolic link
- Path: absolute path, relative path, CWD(current working directory)
- Shell
2. Basic Commands
| 기능 | 명령어 |
|---|---|
| 파일-path | pwd, cd, pushd, popd |
| 파일-조회 | ls, file, stat, tree, which, find, locate |
| 파일-데이터 변경 | cp, mv, rm, mkdir, rmdir, ln, readlink |
| 파일-메타 변경 | chmod, chown, chgrp, chattr, lsattr |
| 파일-묶음 | tar, cpio |
| 파일-압축 | gzip, bzip2, xz, lz4, zstd |
| 텍스트-editor | vim(vi), nano, emacs |
| 텍스트-filter | cat(tac), head, tail, less, more, sort, uniq |
| 텍스트-regex | grep(egrep, fgrep), sed, awk |
| Job control | jobs, fg, bg, disown |
| Process control | kill, pkill, pgrep, killall |
| Process control-tracing | strace, pmap |
| Networking | nc(net cat), curl, wget |
w(who) | |
| Disk | df(disk free) |
du(disk usage) |
3. Admin Commands
| 기능 | 명령어 |
|---|---|
| System | uptime, free(/proc/meminfo), smem |
| System-process memory | top, htop, atop, sar, saidar |
| System-process status | ps, pstree |
| System-stat | vmstat, iostat, mpstat, pidstat, statgrab, dstat |
| System-hardware | lshw, lspci, lsusb |
| Package-RedHat | rpm, yum, dnf |
| Package-Debian | dpkg, apt, aptitude |
| Network-status | ss |
| Network-config | nmcli, nmtui, ip, iw, iwconfig |
| Network | arp, dig |
ssh, sftp, scp, ssh-copy-id | |
| Network-packet | tcpdump, wireshark, tshark |
| Open files | lsof, fuser |
| 커널-파라미터 | sysctl |
| 커널-모듈 | lsmod, modprobe, rmmod |
| Firewall | iptables, ip6tables |
firewall-cmd, ufw | |
| Disks | fdisk, cfdisk, sfdisk, fixparts, flock |
parted, gdisk, cgdisk, sgdisk | |
mkfs, fsck | |
mount, lsblk, blkid | |
grubby, grub2-install, grub2-mkconfig, grub2-editenv | |
lvs, vgs, pvs | |
udisksctl | |
| Security | ulimit |
visudo | |
sestatus, getsebool, setsebool, getenforce, setenforce | |
abrt | |
| User | useradd, groupadd, usermod, groupdel, chgrp, newgrp |
passwd, chpasswd, gpasswd | |
| Service | init, service, chkconfig, ntsysv, update-rc |
systemctl | |
| Performance | tuned-adm |
perf | |
pcp | |
| Locale | locale, localectl |
| Alternatives | update-alternatives |
4. Dev. Commands
| 기능 | 명령어 |
|---|---|
| Compiler | gcc, g++, clang |
| Debugging, Tracing | gdb, strace, coredumpctl |
| Tools | make, maven, graddle |
git | |
| Python | python2, pip |
python3, pip3 |
5. Obsolete Commands
| 과거 | 현재 | 차세대 |
|---|---|---|
exit, logout | ^D | |
clear | ^L | |
ifconfig, route | ip | nmcli, nmtui |
netstat | netstat | ss |
nslookup | dig | |
init, service, chkconfig | systemctl | |
date -s | timedatectl | |
syslog(file) | journalctl | |
LOCALE(직접 편집) | localectl | |
HOSTNAME(직접 편집) | hostnamectl | |
none | none | loginctl |
fdisk | gdisk, parted | |
mount | udiskctl | |
fdisk -l | lsblk, blkid, findfs | findmnt |
expr(shell) | let, $(...) | |
nohup | systemd-run | |
at, cron | anacron | systemd.timer |
📙강의 - 코인즈월렛 기술이사 김선영
JUST DO IT.