fwierzbowski@linux-p137-12:~$ cd c
fwierzbowski@linux-p137-12:~/c$ ls -la
razem 1
drwx------  2 fwierzbowski domain users   0 paź 15 13:06 .
drwxr-xr-x 20 fwierzbowski domain users   0 paź 15 13:05 ..
-rw-------  1 fwierzbowski domain users 166 paź 15 13:11 program.c
fwierzbowski@linux-p137-12:~/c$ man head
fwierzbowski@linux-p137-12:~/c$ head -n 2 program.c
fwierzbowski@linux-p137-12:~/c$ head -n 4 program.c
fwierzbowski@linux-p137-12:~/c$ grep main program.c
fwierzbowski@linux-p137-12:~/c$ chmod g+r program.c
fwierzbowski@linux-p137-12:~/sp/temp$ mv ~/sp/temp/dom/wazne-sprawy ~/sp/temp/praca
fwierzbowski@linux-p137-12:~/sp$ zip -r temp.zip temp
fwierzbowski@linux-p137-12:~/sp$ tar -cvf temp.tar temp
fwierzbowski@linux-p137-12:~/sp$ rm -r temp
fwierzbowski@linux-p137-12:~/sp$ unzip temp.zip