1. CS 60 Discussion Review

2. Important Unix Commandsls
Options: -ltra
pwd
mkdir
rmdir cd

3. Important Unix commandscp
Options: -r mv rm
more/less
cat
echo

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

5. Redirection, Pipes
>, >>
< |

6. Backquotes
cat `ls abc* |grep 123`

7. Processes ps
pidof
kill -9

8. Background jobs ^Z bg fg
&

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

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

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

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

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

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

15. Shell Scripts
Examples

16. all the best for finals !!