Linux useful short commands

View releases files

cat /etc/*release*

View issues files

cat /etc/*issue*

Run an utility to determine the linux distribution

lsb_release -a

# or


Determine which users last logged in to the system


search in man pages for keywork

man -k keyword

# or
apropos keyword

Files listing commands

# which file is the oldest
ls -lAt /path

# which file is the largest
ls -lS /path

extract files from tar archive

tar -xf archive.tar --wildcards 'test_file_?'