What is the Basic Unix Command on the CHPC?
Command Description Synopsis Common Used Option ls list directory contents ls [option] [file] -a: do not hide entries starting with passwd update a user’s password passwd exit exit from Linux exit File related commands cat concatenate files and print on the standard output cat [option] file less view files content lessfile file Determine file type filefile cp copy files and directories cp [option] sourcedest -r : copy directories recursively -i : prompt before overwrite mv move or rename files mvsource dest rm remove files or directories rm[option] file -f : never prompt -i : prompt before any removal -r : remove the directories recursively chmod change file access permissions chmod [option] modefile -R : change files and directories recursively chown change file owner and group chown [option] owner: [group] file -R : change files and directories recursively Directory related commands mkdir make directories mkdir [option] dir -p : no error if existing, make parent directories as needed
