7. Linux Help
This chapter gives some help on using Linux on ARCHER.
- 7.1 Linux Quick Reference Sheet
- 7.2 Finding Linux Help and Documentation from the Command Line
- 7.3 Linux on ARCHER - some hints and tips
A brief guide to basic shell commands. Includes examples for core utilities, text editors and PBS functions.Finding Linux Help and Documentation from the Command Line
Accessing large amounts of file meta-data (file size, file type...) can be slow. For this reason, avoid using commands which depend on this meta-data unless it is actually necessary.
ls -l ls --colour=auto ls -F
will run much more slowly than a simple
produces a windows-like list which puts the directories first followed by the files and
is also a lightweight option to show which are directories in a listing.
There is more extensive explanation and advice to be found at http://www.nas.nasa.gov/hecc/support/kb/lustre-best-practices_226.html where they are using a different, but similarly configured, lustre system.