...
Most usage is centered around a dozen or so commands:
| ls, more, less, cat, nano, pwd, cd, man, bsub, bkill, bjobs, ps, scp, ssh, cp, chmod, rm, mkdir, passwd, history, zip, unzip, tar, df, du, head, tail, grep |
|---|
See the man pages for complete documentation. Here is a short description of some.
...
What text editors are available?
| nano, nedit, vi, vim, emacs |
|---|
How do I strip out ^M embedded characters in my files I transferred from my PC?
Use the dos2unix command on the file. There is man page documentation available for further info. Also check this page for additional tips.
> man dos2unix
What is a man page?
man pages are linux/unix style text based documentation. For example, to obtain documentation on the command cat:
...
Issue the following in the directory of interest:
| > find . -name "A-Z" | cut -c 3- - | awk '{print $1,tolower($1)}' | xargs -i echo "mv {}" | csh |
|---|
This will find everything with uppercase letters and rename it to the
same thing with all lowercase.
How do I uncompress and extract many .gz and corresponding tar files?
| > ls -1 *.gz | xargs -n 1 -r -I {} tar zxf {} |
|---|
Sometimes I get a cryptic message about too many open files, what is that?
There are several resource settings associated with a default account. To see the settings:
...
PATH=/cluster/home/j/d/jdoe02/flight_program/bin:$PATH export PATH |
|---|
To see if it got updated:
| > printenv | grep PATH |
|---|