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pwd cd newdir cd cd ../ date ls ls -l cat filename more filename tail filename tail -n filename mv old new cp old new rm old rm -i old mkdir newdir quota -v du ps -a | grep text *.f90 grep text |
gives your current directory changes directory to subdirectory newdir changes to your home directory moves up one directory level gives the current date and time lists files in current directory same but detailed info about each file prints out the contents of text file "filename" same but a page at a time, space for next page, q to quit prints the last five lines of a file prints the last n lines of a file, space for next page, q to quit renames file from "old" to "new" makes a copy of "old" and calls it "new" deletes the file called "old" deletes the file called "old" after asking prompt for confirmation makes a new subdirectory called "newdir" tells how much disk space you are allowed. tells how much disk space you are using shows all the processes you are running UNIX pipe, takes output of preceding command and feeds it to the following command e.g. ls | more finds all occurrences of text in all files ending by f90 finds all occurrences of text in the piped input e.g. ps -a | grep matlab |