Case sensitivity can be ignored by adding the -i modifier as in grep -i "B3LYP" test*.log. Please observe that UNIX is case sensitive (e.g. The command grep "B3LYP" test*.log will search for string B3LYP in all files starting with test and ending with. The command find -iname "*400" will thus locate all files whose names end with the string 400. On most systems the -h modifier is also supported giving the sizes of the mounted volumes in "human readable" units such as MB, GB, or TB.įinds file file in the current working directory as well as all of ist subdirectories. On some systems this is the default, on others the size is still given in units of 512-byte blocks. If used with the -k modifier, the directory size is given in units of 1K. On most systems the -h modifier is also supported giving the sizes of the mounted volumes in "human readable" units such as MB, GB, or TB.Ĭalculates the size of the current directory. On some systems this is the default, on others the size is given in units of 512-byte blocks. If used with the -k modifier, the usage information is given in units of 1K. Shows all volumes mounted on the system together with the current usage. Moving up one directory can be done more easily by using cd. cd /usr/local/bin changes to the directory /usr/local/bin. In order to change to a specific directory, the full pathname must be given e.g. The most important UNIX commands needed in this course are:Ĭhanges the directory when given without any arguments, the shell moves to the users home directory. UNIX commands for computational chemistry
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