- cat prints the contents of a file on your terminal,
and can be used to create files.
helix% cat filename
will spit the contents of 'filename' on your screen.
cat > filename.txt
type in some junk here or maybe paste in a sequence
will put the words 'type in some junk here or maybe paste in a sequence'
into a file called filename.txt.
- more will display the contents of a file on your screen,
one screen at a time.
helix% more temp.seq
LOCUS MUSIVJR 393 bp mRNA ROD 25-MAY-1995
DEFINITION Mus musculus germline immunoglobulin light chain variable region
and joining region mRNA, 5' end.
ACCESSION L35316
[....etc....]
- cp copies files.
helix% cp test.seq globin.seq
will copy the contents of test.seq to globin.seq. If you already have a file
called globin.seq in your directory, it will be overwritten.
- mv renames files.
helix% mv test.seq globin.seq
will rename the file test.seq to globin.seq. If a file called globin.seq
already exists in your directory, it will be overwritten.
- rm removes files.
helix% rm globin.seq
will remove (delete) the file globin.seq.
- mkdir creates directories.
helix% mkdir globinproject
will create a subdirectory called globinproject in your current
working directory.
- cd changes your working directory.
helix% cd globinproject
will move you from your current directory to the globinproject directory,
if that is a subdirectory.
helix% cd ..
will move you one directory level up.
- ls lists the files in your current directory.
helix% ls
acc mouse_heavy.list2 mouse_light.list2
mouse_heavy.list mouse_light.list temp.seq
- logout logs you out of your helix session.
