Unix – beginnings

Today, we covered in class – basic commands for unix. Log into the system, run id and pwd to discover location and who you are connected as.

users need to belong to at least one group

id -a
id -a abc123
id -a root
who
pwd — home/abc123
uname -a — name of the box
zone – virtual machine like
man — manipulate manual for searching, etc.
ls -al — long list view, hidden view
profile exec upon login. — changes made here.
.cshrc file for c shell
prtdiag — look for a command. not found.
ls -l /usr/sbin/prtdiag — command is for elevated permissions
– You – group – (world)everyone else
-rw-r–r–
chmod — change the mode (permissions) on a file.

About Spradlike

Husband and father, epilepsy survivor, avid percussionist, technology enthusiast...insisting on the road less traveled.
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One Response to Unix – beginnings

  1. Spradlike says:

    Uname –a

    Ls –l
    Ls –al
    Ls – altr

    Unix – Command option argument , most times, options begin with a dash
    Try connecting through the cosa wifi with the chromebook.

    Cd / – root
    File yelp – name of the file, and type
    Cat –
    Pg – page of info a or f, to progress
    More – page of info — spacebar
    Head
    Tail – tail passwd -10
    Df – -h for commands – displays the files systems
    Df –h|more

    750 – for the owner and group, nothing for the world.

    644 read write, read/read

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