Current Path

pwd

Print File

cat filename

with options:

• -n : number all output lines
• -b : number non-blank output lines
• -s : squeeze multiple adjacent blank lines

Print First 10 Lines of File

head filename

with options:

• -n N : print first N lines
• -c N : print first N bytes
• -q : do not print headers
• -v : always print headers
• -f : print all lines and keep file open for new lines (like tail -f)

Free Storage

df -h

Change User Password

passwd