Astronomy 480 Linux Tutorial II

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Astronomy 480 || Linux Tutorial II. A brief review. Changing directories using command lines in a terminal. You can tell where you are in the directory …

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Astronomy 480 || Linux Tutorial II
A brief review
Changing directories using command lines in a terminal
You can tell where you are in the directory structure by typing pwd
Here is part of what I have in my directory /astro/users/larson/ [directories are shown in bold]
Figure 1
[larson@astrolab18 ~]$ pwd
/users/larson
[larson@astrolab18 ~]$ ls
1979PASP…91..589B.pdf.gz PG1528+062.ps login.cl.OLD
30536-25.JPG celestial_mechanics m13CMD.ps
5085.pdf celm13.pdf m57c001.FIT
Astro480 clusters_dao_stromgren.sxc mail
BV.ps daophot2.ps manuals
The cd command moves you around in the directory structure, and takes an argument that is the desired destination
directory. The argument can be either a relative or an absolute pathname. If I were already in the “larson” directory
shown in Fig. 1 above, and I wanted to move into the directory called “Astro480″ I would simply type:
cd Astro480
and the system would move my current working directory to /users/larson/Astro480/. If I wanted to move to this
directory from somewhere other than the directory right above it (also called the parent directory) I…