<aside> 💡 Tricks

• Use cd - to change to previously working directory

  

• cd ~ takes you to home directory

  • ~ is alias for home directory </aside>

Some basic commands

• date → Date and time

  

  • date -R → Gives the date in RFC5322 standard

• cal → Calendar of a month

  

• free → Memory statistics

  

  • free -h → Makes the output human readable

• groups → Groups to which the user belongs

  

• file → What type of a file it is