CS 60 Discussion Review

Important Unix Commands ls Options: -ltra pwd mkdir rmdir cd

Important Unix commands cp Options: -r mv rm more/less cat echo

File Permissions rwx: Read, Write, eXecute Owner, Group, Others What do these mean for files/dirs Owner, Group, Others Example: chmod 754 file.txt

Redirection, Pipes >, >> < |

Backquotes cat `ls abc* |grep 123`

Processes ps pidof kill -9

Background jobs ^Z bg fg &

Debugging gcc -g gdb <program> [core] GDB commands run list print break continue step next

Compiling Compiling Gcc Pre-Processing Compiling/Assembly Linking Options: -o, -c, -l, -L -W, -Wall, -g

More commands find grep Options: -name, -type, -maxdepth, -user, -exec Options: -r, -l, -n, -v, -I

Tars tar -tvzf tarfile.tar.gz tar -czf tarfile.tar.gz dir/ tar -xvzf tarfile.tar.gz

Shells What is a shell ? Setenv PATH ? .cshrc, .login, .logout csh, bash, etc Setenv PATH ? .cshrc, .login, .logout

More commands head tail cut cut -f2 -d’ ‘ |head -10|tail -2

Shell Scripts Examples

all the best for finals !!