kristjan@kristjan-pc:~/Documents/php-www$ id kristjan
uid=1000(kristjan) gid=1000(kristjan) groups=1000(kristjan),4(adm),24(cdrom),27(sudo),30(dip),33(www-data),46(plugdev),108(lpadmin),124(sambashare)
kristjan@kristjan-pc:~/Documents/php-www$ groups kristjan
kristjan : kristjan adm cdrom sudo dip www-data plugdev lpadmin sambashare
kristjan@kristjan-pc:~/Documents/php-www$ ll
total 12
drwxrwxr-x  3 kristjan kristjan 4096 dec 29 10:46 ./
drwxr-xr-x  4 kristjan kristjan 4096 dec 29 10:46 ../
drwxrwx--- 26 www-data www-data 4096 dec 29 10:46 b2b-shop/
kristjan@kristjan-pc:~/Documents/php-www$ cd b2b-shop/
bash: cd: b2b-shop/: Permission denied
kristjan@kristjan-pc:~/Documents/php-www$