Red Hat ENTERPRISE LINUX WS 2.1 - Guia de Instalação Página 206

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206 Important Linux features
DONE
INDEX
INDEX
13.1.2 cd
cd: "change directory"
cd change to your home directory
cd dira change to directory dira
cd /u/data/guest/nmr change to directory /u/data/guest/nmr
cd dataseta change to directory /u/data/guest/nmr/dataseta
cd .. change to directory /u/data/guest/nmr
cd ../../usera/nmr change to directory /u/data/usera/nmr
13.1.3 ls
ls: list the contents of a directory
ls list files and subdirectories in current directory
ls -l list complete file information
ls -al also list files starting with ’.’
ls -Rl also list the contents of all subdirectories
ls -lt or ls -lrt sort by time of last modification
13.1.4 chmod
chmod: change the permissions of a file or directory
(To understand the permissions and type of access please refer to chapter 14.1)
1. using the character representation: chmod [ugo][+-][rwx] filename
chmod a+r fila
make fila readable for all users
-r--r--r-- user group 102 Apr 10 12.20 fila
chmod a+w fila
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