fdisk -l
df
fdisk -l | grep ^/ | wc -l
df -h
du -sh /
echo $PATH
ls command.cd ../myusername
cd /var/tmp
cd /usr/share
cd doc
pwd
1. cd /proc
2. less cpuinfo
3. less meminfo
4. less swaps
5. less modules
6. cat uptime
7. less filesystems
proc for more info about these files
11. cd /etc
12. remove question
13. remove question
14.
less issue less motd
15. Note: for just the normal users, check for bash with the second command
wc -l /etc/passwd
grep bash /etc/passwd |wc -l
16. wc -l /etc/group
17. /etc/timezone
18. find /usr -iname “*howto*”
19. cd /usr/share/doc
20.
cd /usr/share/doc/coreutils
less README
or
info coreutils
21. From man bash: bash –version
cd ~
mkdir newdir
mv newdir
/home (error: Permission denied)
cd /usr/share/pixmaps
cp *.xpm ~/newdir
apropos xpm
ls -r
mkdir ~/newdir2
cp -r /etc/* ~/newdir2
cd ~/newdir2
mkdir Upper lower
find . -name "[A-Z]*" -exec mv {} Upper \;
find . -name "[a-z]*" -exec mv {} lower \;
find . -name "[!a-zA-Z]*" -exec rm {} \;
rm -rf ~/newdir2
cd /etc/init.d
grep font * |grep server
which sendmail
locate sendmail
ln -s /var/tmp ~/mytmp
ls ~/mytmp (will see the contents of /var/tmp
cd ~ ln -s mytmp mynewtmp rm mytmp ls
umask
chmod o-r ~/.bashrc
ln -s /root ~/myroot