tips
drawing unicode boxes
unicode symbols
boxdrawing
─━│┃┄┅┆┇
┈┉┊┋┌┍┎┏┐┑
┒┓└┕┖┗┘┙┚┛
├┝┞┟┠┡┢┣┤┥
┦┧┨┩┪┫┬┭┮┯
┰┱┲┳┴┵┶┷┸┹
┺┻┼┽┾┿╀╁╂╃
numerals
Dingbat Negative Circled Digits ⓿ , ❶ Unicode Number U+2776 , ❷ , ❸ , ❹ , ❺ , ❻ , ❼ , ❽ , ❾ , ➊, ➋ , ➌ , ➍ , ➎ , ➏ , ➐ , ➑ ,➒
marks
Heavy Check Mark : ✔
Cross Mark : ❌
Heavy Saltire : 🞬
arrows
unicode leftwards arrows, x2190 ←
━
blocks
▂ ▃ ▄ ▅ ▆ ▇
█ ███
█ █
▉
▊
▋
▌
▍
▎
▏▐░▒▓▔▕
▖▗▘▙▚▛▜▝▞▟
geometric shapes
■□▢▣▤▥▦▧
▨▩▪▫▬▭▮▯
▰▱▲△▴▵▶▷
▸▹►▻▼▽▾▿
◀◁◃◄◅◆◇◈
◉◊○◌◍◎●◐
◑◒◓◔◕◖◗◘
◙◚◛◜◝◞◟◠
◡◢◣◤◥◦◧◨
◩◪◫◬◭◮◯◰
◱◲◳◴◵◶◷◸
◹◺◻◼◽◾◿☀
unix networking
Can we still use a modem to connect to another remote computer? Why ? Can we connect to another remote computer on top of a telephone connection ?
rlogin
rlogin is similar to the Telnet command, but is not as customizable and is able to connect only to Unix-like hosts.
telnet
Telnet is one of the oldest internet application (1969)
$ telnet horizons.jpl.nasa.gov 6775
Horizons> NAME= Daedalus
JPL/HORIZONS 1864 Daedalus (1971 FA) 2024-Dec-24 07:35:17
Asteroid physical parameters (km, seconds, rotational period in hours):
GM= n.a. RAD= 1.85 ROTPER= 8.572
H= 14.85 G= .150 B-V= .830
ALBEDO= .273 STYP= Sr