cal - Calendar 2000
who - Who is logged on
finger - Details of logged on users
write - To send messages to users
Ctrl+D - End of file
mesg n- To deny talking
mesg - To know the status
Man - Help command
cat - Display multiple files.
clear - Clear screen.
Date - Displays the system date.
cd - Change directories.
chmod - Change security mode of a file or directory.
cp - copy files from one directory to another.
mv - Move or rename files.
cut - Select and extract columns or fields from a file.
echo - Display the specified Arguments on the output device.
find - Locate a file which meet the search criteria.
grep - Select lines or rows that match a specified pattern.
kill - End a process.
ln - Creates link directories between files,thereby allowing more than one name for a file.
lp - Print a file.
ls - lists a directory’s contents, including its files and subdirectories
mkdir - Make a new directory.
passwd - Change your Unix password.
pwd - Display your current path.
rm - Remove a file
rmdir - Remove a directory
sh - Execute a shell script.
sort - Sort and merge multiple files.
trap - Executes a command when a specified signal is received from the operating system.
Type cd and press enter to make sure you are in your home directory.
mkdir to make a new directory
ls to see the contents in your directory.
ll to see the contents in your directory.
cat to create a new file.
ctrl + z to save the file.
Chmod example:
HOME - System defined path for user’s dir.
PATH - List of path names for directories
TERM - Terminal name
PWD - Current Working Directory
LOGNAME - Login name of the user
who - Who is logged on
finger - Details of logged on users
write - To send messages to users
Ctrl+D - End of file
mesg n- To deny talking
mesg - To know the status
Man - Help command
cat - Display multiple files.
clear - Clear screen.
Date - Displays the system date.
cd - Change directories.
chmod - Change security mode of a file or directory.
cp - copy files from one directory to another.
mv - Move or rename files.
cut - Select and extract columns or fields from a file.
echo - Display the specified Arguments on the output device.
find - Locate a file which meet the search criteria.
grep - Select lines or rows that match a specified pattern.
kill - End a process.
ln - Creates link directories between files,thereby allowing more than one name for a file.
lp - Print a file.
ls - lists a directory’s contents, including its files and subdirectories
mkdir - Make a new directory.
passwd - Change your Unix password.
pwd - Display your current path.
rm - Remove a file
rmdir - Remove a directory
sh - Execute a shell script.
sort - Sort and merge multiple files.
trap - Executes a command when a specified signal is received from the operating system.
Type cd and press enter to make sure you are in your home directory.
mkdir to make a new directory
ls to see the contents in your directory.
ll to see the contents in your directory.
cat to create a new file.
ctrl + z to save the file.
Chmod example:
HOME - System defined path for user’s dir.
PATH - List of path names for directories
TERM - Terminal name
PWD - Current Working Directory
LOGNAME - Login name of the user
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