COMMAND |
DESCRIPTION
|
basename |
returns the base part (filename part) of a pathname |
cal |
shows calender of any month or year |
cat |
concatenates files, data together or to screen |
chmod |
changes the access mode(s) of a file or files. "+" adds capabilities
while "-" deletes them. "x" is for execute, "w" is for write and "r" is
for read. |
comm |
compares and contrast 2 sets of ordered lists (see sort) |
compress |
compresses files quickly |
cp |
copy - copy files |
df |
shows free space on the disk(s) |
dirname |
returns the directory part of a pathname |
du |
shows how much space a directory and all its files occupies |
echo |
unix echo command (used within scripting) |
ed |
line editor with regular expression substitution |
elm |
Mail read, post utility |
egrep |
enhanced grep that can look or two or more patterns at once |
env |
shows the environment, -s option gives a summary of bytes used |
expr |
does arithmetic, substrings, string lengths, pattern matching |
false |
returns false |
find |
finds files bases on mod times, sizes, permissions, or name |
fgrep |
fast version of grep that does not handle regular expressions |
fold |
folds lines with more than 80 characters to just 80 and remainder |
ftp |
a file transfer utility used heavily on the network |
grep |
regular expression pattern finder, find any pattern in a file |
head |
shows top 10 lines of any file |
join |
joins two lines of text together (removes the newline separator) |
lc |
lists files in columns |
look |
finds a string quickly in a sorted file using binary search |
ls |
list files in a directory |
more |
show files a page at a time, takes multiple command arguments |
mv |
move (rename) files, can cross directories and do multiple files |
od |
octal dump, dislay binary data in human readable format |
passwd |
change password utility |
pine |
Mail read, post utility |
pg |
page file(s) utility |
pr |
used for formatting files before printing. |
pwd |
return current working directory |
rm |
remove files, or directories, can do recursive, -i prompts |
rmdir |
remove an empty directory |
rz |
receive file(s) using zmodem transfer |
scosh |
SCO Unix, full screen menu system for terminal type connections |
sed |
line editor, good for use in batch scripts, handles reg expressions |
sleep |
sleep given number of seconds |
sort |
full Unix sort, powerful, quick, numeric, on individual fields |
strings |
see the error messages or text strings in a binary file |
sum |
generate a checksum on a file or batch. |
sz |
send files using zmodem transfer |
tail |
show last 10 lines of a file |
tee |
save output to a file and the screen at the same time |
telnet |
a character based, terminal connection utility for use on the network |
test |
test files for properties, test variables, expressions |
true |
returns true, useful from within batch scripts, |
vi |
very powerful screen based text editor |
wc |
generates the count of characters, words, lines in any text file |
what |
shows the revision, release of a binary file |
yes |
returns y or any string you give it. Useful for batch scripts |