Command
|
Function
|
---|---|
binedit | Binary edit. |
cat | Concatenate files. |
chgrp | Change the group for files or directories. (NT only.) |
chmod | Change mode bits of file. |
chown | Change the ownership of files or directories. (NT only.) |
cmp | Binary compare two files or directories. |
cp | Copy files or directories. |
cron | Run commands at specified times. |
cut | Cut out selected fields of each line of text. |
des | Encrypt or decrypt data using the Data Encryption Standard (DES). Due to U.S. Federal Law, this utility cannot be exported outside the U.S. or Canada. |
date | Display the date and time. |
diff | Compare files or directories. |
dim | Discard any ansi escape sequences in the input stream. |
dskread | Read raw sectors from a disk. |
dskwrite | Write raw sectors to a disk. |
du | Display disk usage. |
env | Execute a command with a new environment. |
fgrep | Fast string search (fast grep) of text files. |
getopt | Parse command-line options. |
grep | Regular expression pattern search of text files. |
head | Copy the first few lines or bytes of a file to stdout. |
label | Read/Write the volume label. |
ls | List directory contents. |
markexe | Mark an .exe file to indicate what sort of application it is. (OS/2 only.) |
mkdir | Make a new directory. |
more | A better more utility. (Able to search forward or backward or to a specific line.) |
moreh | A large model version of more. (OS/2 only.) |
mt | Manipulate the tape device. (NT only.) |
mv | Move files or directories. |
newer | Test whether first file is newer than the others. |
older | Test whether first file is older than the others. |
open | Open a file using the associated application. (Windows NT 4.0 and Windows 95 only.) |
paste | Merge corresponding or subsequent lines. |
patchlnk | A (very) special-purpose utility to patch a bug in the Microsoft linker on OS/2. |
pwd | Print the working directories. |
rm | Remove files or directories. |
rmdir | Remove directories. |
sed | Stream editor. |
setrows | Set or report the number of rows in the display window. |
sort | Sort and/or merge files. |
split | Split a large file into equal-sized chunks. |
startwin | Start Win3.x applications under OS/2 2.x. |
strings | Extract ASCII strings from a file. |
su | Run a command as another user. (NT only.) |
sum | Checksum the contents of a file. |
tabs | Expand/Unexpand tabs. |
tail | Copy the last few lines or bytes of a file to stdout. |
tar | Read/Write UNIX TAR and CPIO format files and tapes. (Tapes supported only under Windows NT.) |
tee | Pipe fitting. |
touch | Update the time-stamp on a file. |
tr | Translate characters. |
uniq | Report unique lines in text files. |
uudecode | Uudecode binary data. |
uuencode | Uuencode binary data for email transmission. |
ver | Display the current system and Hamilton C shell version numbers. |
vol | Display the disk volume label. |
wc | Count lines, words and characters. |
whereis | Tell which PATH directory a given executable is in. |
whoami | Print the current domain and user names. (NT only.) |
xargs | Construct argument list(s) and invoke utility. |
xd | Hex dump a file to stdout. |
All external utilities except whereis self-document with the -h option. Any external utility may be renamed simply by renaming the executable file.
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This page was last modified August 9, 2001.