linux Febr. 17

a="asd"; b="xcd"

a=b

a!=b

-n b  patiesiba ja nulles garuma

-z b patiesa ja tuksa rinda

-e

-E

which php

windows/system32/driver/etc/hosts

--------------------------------------------------

divi tabi ar peles labo tausti: Ctrl+Alt+F1; Ctrl+Alt+F2; 

mkfifo my-pipe

ls -l my-pipe

echo "kaut kas" > my-pipe

--------------------------------------------------

tail -f my-pipe                                  lasa izmainas faila -f vai 200 ridas vai ...

--------------------------------------------------